IUSM IU
Division of Gastroenterology/Hepatology  |  Department of Medicine
Douglas K. Rex - Original Publications in Referred Journals
*  denotes generated editorial

1. Rex D, Lumeng L, Eble J, Rex L.  Intrahepatic cholestasis and sicca complex following thiabendazole:  Report of a case and review of the literature.  Gastroenterology 1983;85:718-721.
2. Rex D, Bosron W, Li T-K.  Purification and characterization of mouse alcohol dehydrogenase from two inbred strains differing in total liver enzyme activity.  Biochem Genet 1984;22:115-124.
3. Rex D, Duckworth W.  Overt diabetes mellitus associated with an oral epidermoid carcinoma.  Amer J Med Sci 1984;287(3):43-45.
4. Rex D, Bosron W, Smialek J, Li T-K.  Alcohol and aldehyde dehydrogenase isoenzymes in North American Indians.  Alcoholism:  Clin Exp Res 1985;9:147-152.
5. Rex D, Lehman GA.  Gastric concretion forming around a suture nidus and mimicking a gastric polyp on radiographs.  Endoscopy 1985;17:196-197.
6. Rex D, Lehman GA, Lappas JC, Miller RE.  Sensitivity of double-contrast barium study for left colon polyps.  Radiology 1986;158:69-72.
7. Rex D, Bosron WF, Li T-K.  Purification and characterization of the Danish (Skive) variant of mouse liver alcohol dehydrogenase.  Biochem Genet 1987;25:111-121.
8. Maglinte DT, Lappas JC, Kelvin FM, Rex DK, Chernish SM.  Small bowel radiography:  how, when and why?  Radiology 1987;163(2):297-306.
9. Rex DK, Hast JD, Mathis JG, et al.  Comparison of radially sensitive and circumferentially sensitive microtransducer esophageal manometry probes in normal subjects.  Am J Gastroenterol 1988;83:151-154.
10. Bosron W, Rex DK, Harden BA, Li T-K, Akerson RD.  Alcohol and aldehyde dehydrogenase isoenzymes in Sioux North American Indians.  Alcoholism:  Cline Esp Res 1988;12:454-455.
11. Rex DK, Jersild RA.  Further characterization of the pigment in pseudomelanosis duodeni in three patients.  Gastroenterology 1988;95:177-182.
12. Rex DK, Hawes RH, Goulet RA.  Cecal perforation after upper endoscopy and pyloric dilation (letter).  Gastrointest Endosc 1988;34:490-491.
13. Rex DK, Lappas JC, Maglinte DDT, Malczewski MC, Kopecky KA, Cockerill EM.  Enteroclysis in the evaluation of suspected small bowel bleeding.  Gastroenterology 1989;97:58-60.
14. O'Conner KW, Lehman GA, Yune H, Brunelle R, Christiansen P, Hast J, Compton M, McHenry R, Klatte E, Cockerill E, Holden R, Becker G, Kopecky K, Hawes R, Pound D, Rex D, et al.  Comparison of three nonsurgical treatments for bleeding esophageal varices.  Gastroenterology 1989;96:899-906.
15. Shrake P, Troiano F, Rex DK.  Peritonitis following colonoscopy in a cirrhotic with ascites. Am J Gastro 1989;84:453-454.
16. Rex DK, Weddle RA, Lehman GA, et al. Flexible sigmoidoscopy plus air contrast barium enema versus colonoscopy for suspected lower gastrointestinal bleeding.  Gastroenterology 1990;98:855-861.
17. Rex DK, Lappas JC.  Barium enema utilization within a defined geographic region:  A survey.  Gastrointestinal Radiology 1990;15:265-267.
18. Rex DK, Wuhrman B, Lappas JC.  Anterior anus and partial absence of levator musculature in an adult female with impaired defecation.  Dis Colon Rectum 1990;33:974-976.
19. Rex DK, Lehman GA, Hawes RH, et al.  Performing screening flexible sigmoidoscopy using colonoscopes:  experience in 500 subjects.  Gastrointest Endosc 1990;36:486-488.
20. Rex DK, Lehman GA, Hawes RH, Ulbright TM, Smith JJ.  Screening colonoscopy in asymptomatic average-risk persons with negative fecal occult blood tests.  Gastroenterology 1991;100:64-67.
21. Shrake PD, Rex DK, Lappas JL, Maglinte DDT.  Radiographic evaluation of suspected small bowel obstruction.  Am J Gastroenterol 1991;86:175-178.
22. Ruffolo T, Lehman G, Rex D.  Colonoscope damage from internal straightener use.  Gastrointest Endosc 1991;37:107-108.
23. Kumar S, Rex DK.  Failure of physicians to recognize acetaminophen hepatotoxicity in chronic alcoholics. Arch Int Med 1991;151:1189-1191.
24. Rex D, Tarver R, Wiersma M, O'Conner KW, Lappas JC, Tapatowski K.  Endoscopic transesophageal fine needle aspiration of mediastinal masses.  Gastrointest Endosc 1991;37:465-468.
25. Rex D, Lappas JC, Goulet R.  Combined anorectal manometry and defecography in 50 consecutive adults with fecal incontinence.  Dis Colon Rectum 1992;35:1040-1045.
26. Rex D, Rogers D, Mohammed Y, Williams E.  Post cardiac surgery tamponade mimicking acute hepatitis. J Clin Gastroenterol 1992;14:136-138.
27. Rex D, Lewis B, Waye J.  Colonoscopy and endoscopic therapy for delayed post-polypectomy hemorrhage.  Gastrointest Endosc 1992;38:127-129.
28. Mueller BA, Rex DK, Greene P, Figueroa N, Brater C.  Pharmacokinetics and endoscopic effects of an oral and buccal piroxicam formulation.  Pharmacotherapy 1992;12:93-97.
29. Rex D, Ulbright T, Smith J, Lehman G.  Distal colonic hyperplastic polyps do not predict proximal adenomas in asymptomatic average-risk persons.  Gastroenterology 1992;102:317-319.
30. Rex D, Fitzgerald J, Goulet R.  Chronic constipation with encopresis persisting beyond age 15.  Dis Colon Rectum 1992;35:242-244.
31. Wiersema MJ, Hawes RH, Tao L-C, Kopecky KK, Rex DK, Kumar SK, Lehman GA.  Endoscopic ultrasound as an adjunct to fine needle aspiration cytology of the upper and lower gastrointestinal tract.  Gastrointest Endosc 1992;38:35-39.
32. *Rex DK, Lappas JC, Goulet R, Madura J.  Selection of constipated patients for subtotal colectomy.  J Clin Gastroenterol 1992;15(3):212-7.
33. Mark D, Rex DK, Lappas JC.  Same day versus different day air contrast barium enema following incomplete colonoscopy using air insufflation.  Gastrointest Endosc 1992;38:693-5.
34. Rex D.  Gastroesophageal reflux disease in adults: pathophysiology, diagnosis, management.  J Fam Pract 1992;35:673-681.
35. Rex DK, Kumar S.  Clinical recognition of acetaminophen hepatotoxicity in chronic alcoholics. Post Grad Med 1992;91:241-245.
36. *Rex DK, Lehman GA, Smith JJ, et al.  Colonic adenomas in asymptomatic women with negative fecal occult blood tests and a history of breast cancer. Am J Gastroenterol 1993;88:2009-2014.
37. *Rex DK, Lehman GA, Hawes RH, et al.  Colonic neoplasia in asymptomatic persons; influence of age, gender and family history.  Am. J. Gastroenterol 1993;88:825-831.
38. Rathgaber S, Rex DK.  Colonoscopy and endoscopic therapy of hemorrhage from viral colitis.  Gastrointest Endosc 1993;39:737-8.
39. Cutler C, Rex DK, Cummings OW.  Per anus enteroscopic demonstration of an NSAID - induced ileal stricture.  Gastrointest Endosc 1993;39:601-603.
41. Kochman ML, Rex DK, Wiersema MJ.  Gastric carcinoma containing a surgical clip:  endosonographic appearance.  Gastrointest Endosc 1993;39:734-5.
42. Rathgaber S, Rex DK.  Evaluation of right upper quadrant pain in patients with a negative gallbladder ultrasound.  Postgrad Med 1993;94:153-163.
43. Rex DK.  An etiologic approach to duodenal and gastric ulcer.  J Fam Prac 1994;38:60-67.
44. Rex DK, Lehman GA, Smith JJ, Cummings OW.  Yield of a second screening flexible sigmoidoscopy 3 years after a negative examination.  Gastroenterology 1994;106:593-595.
45. Rex DK.  Colonoscopy by family practitioners.  Gastrointest Endosc 1994;40:383-4.
46. Cutler CS, Rex DK, Hawes RH, Lehman GA.  Does routine intravenous glucagon administration facilitate colonoscopy?  A randomized trial.  Gastrointest Endosc 1995;42:346-50.
47. Rex DK, Mark D, Clarke B, et al.  Flexible sigmoidoscopy plus air contrast barium enema versus colonoscopy for evaluation of symptomatic patients without evidence of bleeding.  Gastrointest Endosc 1995;42:132-8.
48. Rex DK.  Who should do colonoscopy?  Fam Prac Res J 1994;14:109-10.
49. Rex DK.  Colonoscopy.  J Fam Practice 1994;38:456 & 537.
50. Cutler C, Rex DK, Lehman GA.  Enteroscopic identification of ectopic small bowel varices. Gastrointest Endosc 1995;41:605-7.
51. Rex DK.  Colonoscopy: a review of its yield for cancers and adenomas by indication.  Am J Gastroenterol 1995;90:353-65.
52. Foutch PG, Rex DK, Lieberman D.  Prevalence and natural history of colonic angiodysplasia among healthy asymptomatic people.  Am J Gastroenterol 1995;90:564-7.
53. *Rex DK, Rahmani EY, Haseman JH, et al.  Relative sensitivity of colonoscopy and barium enema for detection of colorectal cancer in clinical practice.  Gastroenterology 1997;112:17-23.
54. *Lemmel GT, Haseman JH, Rex DK, Rhamani EY.  Neoplasia distal to the splenic flexure in persons with proximal colon cancer.  Gastrointest Endosc 1996;44:109-11.
55. Ikenberry S, Lappas JC, Rex DK.  Defecography in healthy subjects comparing three different contrast media.  Radiology 1996;201:233-8.
56. *Haseman J, Lemmel GT, Rahmani EY, Rex DK.  Failure of colonoscopy to detect colorectal cancer: Evaluation of 47 cases in 20 hospitals. Gastrointest Endosc 1997;45:451-5.
57. *Rex DK, Cutler CS, Lemmel GT, et al.  Colonoscopic miss rates of adenomas determined by back-to-back colonoscopies.  Gastroenterology 1997;112:24-8.
58. Ness RM, Gottlieb K, Rex DK, Lehman GA.  Difficult sigmoid colon intubation: guide wire      exchange technique.  Gastrointest Endosc 1996;44:99-101.
59. *Rex DK, Cummings OW, Helper DJ, et al.  Five year incidence of adenomas after negative colonoscopy in asymptomatic average-risk persons.  Gastroenterology 1996;111:1178-81.
60. Kozarek RA, Raltz S, Marcon N, Koretan P, Haber, G, Lightdale C, Stevens P, Lehman G, Rex D, et al.  Prospective multi-center trial using 25 MM flanged esophageal Z® stent for malignant dysphagia.  Gastrointest Endosc 1997;46:156-60.
61. Alikhan M, Cummings O, Rex D.  Subtotal colectomy in a patient with collagenous colitis associated with colonic carcinoma and systemic lupus erythematosis.  Am J Gastroenterol 1997;92:1213-5.
62. Rex D, Bilotta J.  Colonoscopic removal of impacted sigmoid chicken bones in two patients.    Gastrointest Endosc 1997;46:193-5.
63. *Rex DK., Imperiale TF, Portish V.  Patients willing to try colonoscopy with sedation only as needed.  Associated clinical factors and results of a randomized controlled trial.  Gastrointest Endosc 1999;49:554-9.
64. *Rex DK, Vining D, Kopecky KA. An initial experience with screening for colon polyps using spiral CT with and without CT colography.  Gastrointest Endosc 1999;50:309-13.
65. Rex DK, Chak A, Vasudeva R, et al. Prospective determination of distal colon findings by colonoscopy in patients with proximal colon cancer.  Gastrointest Endosc 1999;49;727-30.
66. Rex DK.  Still photography versus videotaping for documentation of cecal intubation:  a prospective study. Gastrointest Endosc 2000;51:451-9.
67. Rex D, Alikhan M, Cummings O, Ulbright T.  Accuracy of pathologic interpretation of colorectal polyps by general pathologists in community practice. Gastrointest Endosc 1999;50:468-74.
68. *Schoenfeld P, Lipscomb S, Crook J, Dominguez J, Butler J, Holmes L, Cruess D, Rex, D.  Accuracy of polyp detection by nurse endoscopists and gastroenterologists during flexible sigmoidoscopy: a randomized controlled trial.  Gastroenterology 1999;117(2):312-8.
69. Alikhan M, Rex D, Khan A, Rahmani E, Cummings O, Ulbright T.  Variable pathologic interpretation of columnar lined esophagus by general pathologists in community practice.  Gastrointest Endosc 1999;50:23-6.
70. Rex DK, Rhamani EY.  New endoscopic finding associated with hyperplastic polyps.  Gastrointest Endosc.  1999;50:704-6.
71. Rex DK.  Colonoscopic withdrawal technique is associated with adenomas miss rates.  Gastrointest     Endosc 2000;51:33-6.
72. *Rex DK, Khan AM, Shah P, et al. Screening colonoscopy in asymptomatic average-risk African-Americans. Gastrointest Endosc 2000;51:524-7.
73. *Rex DK.  Effect of variable stiffness colonoscopes on cecal intubation times for routine colonoscopy by an experienced examiner in sedated patients.  Endoscopy 2001;33:60-4.
74. Rex DK, Bond J, Feld A.  Medical-legal risk of incident colorectal cancers after clearing colonoscopy.  Am J Gastroenterol 2001;96:952-7.
75. Villavicencio R, Rex DK, Rahmani EY.  Efficacy and complications of argon plasma coagulation for hematochezia related to radiation proctopathy.  Gastrointest Endosc 2002;55:70-4.
76. Rex DK, Ulbright TM.  Step section histology of proximal colon polyps that appear hyperplastic by endoscopy.  Am J Gastroenterol 2002;97:1530-4.
77. Rex DK, Overley C, Kinser K, et al.  Safety of propofol administered by registered nurses with gastroenterologist supervision in 2,000 endoscopic cases.  Am J Gastroenterol 2002;97:1159-63.
78. Rex DK, Imperiale T, Latinovich D, Bratcher L.  Impact of bowel preparation on cost of colonoscopy.  Am J Gastroenterol 2002;97:1696-700.
79. Maglinte DDT, Hallett RL, Rex DK, et al. Imaging of small bowel Crohn’s disease:  Can abdominal CT replace barium radiography?  Emergency Radiology 2001;8:127-33.
80. Bender GN, Maglinte DDT, McLarney JH, Rex DK, Kelvin FM.  Malignant melanoma:  Patterns of metastasis to the small bowel, reliability of imaging studies, and clinical relevance.  Am J Gastroenterol 2001;96:2392-400.
81. *Suleiman S, Rex DK, Sonnenberg A. Chemoprevention of colorectal cancer by aspirin:  A cost- effectiveness analysis.  Gastroenterology 2002;122:78-84.
82. Schoenfeld P, Shad J, Ormseth E, Coyle W, Butler J, Schindler W, Kikendall WJ, Furlong C, Sobin L, Cruess D, Rex D.  PREdictive value of DIminutive Colonic adenoma Trial:  THE PREDICT TRIAL. Clinical Gastroenterology and Hepatology 2003;1:195—201.
83. Zamir S, Rex D.  An initial investigation of efficiency in endoscopy.  Am J Gastroenterol 2002;97:1968-72.
84. Sipe BW, Rex DK, Latinovich D, Overley C, Kinser K, Bratcher L, Kareken D.  Propofol vs. midazolam/meperidine for colonoscopy:  Administered by nurses and supervised by endoscopists.  Gastrointest Endosc 2002;55:815-25.
85. Rex DK, Goodwine BW.  Method of colonoscopy in 42 consecutive patients presenting after prior incomplete colonoscopy.  Am J Gastroenterol 2002;97:1148-51.
86. Ghorai S, TM Ulbright, Rex DK.  Endoscopic findings of diverticular inflammation in colonoscopy patients without clinical acute diverticulitis:  Prevalence and endoscopic spectrum.   Am J Gastroenterol 2003;98:802-6.
87. Rex DK, Chasen R, Pochapin MB.  Safety and efficacy of two reduced dosing regimens of sodium phosphate tablets for preparation prior to colonoscopy.  Aliment Pharmacol Ther 2002;16:937-44.
88. Arber N, Rex DK, Sjodahl R, et al. Sporadic adenomatous polyp regression with exisulind is effective but toxic:  a randomized, double-blind, placebo-controlled, dose-response study.   Gut 2006;55:367-73.
89. Walker JA, McIntyre RD, Schleinitz PF, Jacobson KN, Haulk AA, Adesman P, Tolleson S, Parent R, Donnelly R, Rex DK. Nurse-administered propofol sedation without anesthesia specialists in 9152 endoscopic cases in an ambulatory surgery center.  Am J Gastroenterol 2003;98:1744-50.
90. Rex DK.  Accessing proximal aspects of folds and flexures during colonoscopy:  Impact of a pediatric colonoscope with a short bending section.  Am J Gastroenterol 2003;98:1504-7.
91. Liangpunsakul S, Chadalawada V, Rex DK, et al.  Wireless capsule endoscopy detects small bowel ulcers in patients with normal results from state of the art enteroclysis.  Am J Gastroenterol 2003;98:1295-8.
92. Rex DK, Cummings OW, Shaw M, et al.  Screening for Barrett’s esophagus in colonoscopy patients with and without heartburn.  Gastroenterology 2003;125:1670-7.
93. Rex DK, Chadalawada V, Helper DJ.  Wide angle colonoscopy with a prototype instrument:  impact on miss rates and efficiency determined by back-to-back colonoscopies.  Am J Gastroenterol 2003;889:2000-5.
94. Bilimoria KY, Rex DK, Eagan RK.  Colonoscopic identification of a foreign body causing a hepatic abscess.  J Clin Gastro 2003;37:82-5.
95. Weston BR, Helper DJ, Rex DK.  Positive predictive value of endoscopic features deemed typical of gastric fundic gland polyps.  J Clin Gastroenterol 2003;36(5):399-402.
96. Cash BD, Schoenfeld P, Rex DK.  An evidence-based medicine approach to studies of diagnostic tests:  assessing the validity of virtual colonoscopy.  Clinical Gastroenterology & Hepatology 2003;1:136-44.
97. Weston BR, Chadalawada V, Chalasani N, Kwo P, Overley C, Coates M, Strahl E, Rex DK.  Nurse administered propofol versus midazolam and meperidine for upper endoscopy in cirrhotic patients.  Am J Gastroenterol 2003;98:2440-7.
98. Liangpunsakul S, Mays L, Rex DK.  Performance of GIVEN® suspected blood indicator.  Am J Gastroenterol 2003;98:2676-8.
99. *Cotton PB, Durkalski VL, Pineau BC, Palesch YY, Mauldin PD, Hoffman B, Vining DJ, Small WC, Affronti J, Rex DK, et al.  Computed tomographic colonography (virtual colonoscopy).  A multicenter comparison with standard colonoscopy for detection of colorectal neoplasia.  JAMA 2004;291:1713-9.
100. Hansen JJ, Ulmer BJ, Rex DK. Technical performance of colonoscopy in patients sedated with nurse-administered propofol.  Am J Gastroenterol 2004;99:52-6.
101. Ulmer BJ, Hansen JJ, Overley CA, Symms MR, Chadalawada V, Liangpunsakul S, Strahl E, Mendel AM, Rex DK.  Propofol versus midazolam/fentanyl for outpatient colonoscopy:  administration by nurses supervised by endoscopists.  Clin Gastroenterol Hepatol 2003;1:425-32.
102. Harrison M, Singh N, Rex DK.  Impact of proximal colon retroflexion on adenoma miss rates.  Am J Gastroenterol 2004;99:519-22.
103. Singh N, Harrison M, Rex DK.  A survey of colonoscopic polypectomy practices among clinical gastroenterologists.  Gastrointest Endosc 2004;60:414-8.
104. Subramanian S, Liangpunsakul S, Rex DK.  Preprocedure patient values regarding sedation for colonoscopy.  Journal of Clinical Gastroenterology 2005;39:516-9.
105. Raju GS, Rex DK, Kozarek RA, et al. A novel shape-locking guide for prevention of sigmoid looping during colonoscopy.  Gastrointest Endosc 2004;59:416-9.
106. Chen SC, Rex DK.  An initial investigation of bispectral monitoring as an adjunct to nurse administered propofol sedation for colonoscopy.  Am J Gastroenterol 2004;99:1081-6.
107. Chen SC, Goodwine B, Rex DK.  Removal of embedded foreign bodies in the gastrointestinal tract after division by endoscopic laser.  Gastrointest Endosc 2004;60:653-4.
108. Deenadayalu VP, Chadalawada V, Rex DK.  170° wide angle colonoscope:  effect on efficiency and miss rates.  Am J Gastroenterol 2004;99:2138-42.
109. Chen SC, Liangpunsakul S, Rex DK.  Watermelon colon treated by argon plasma coagulation.  Gastrointest Endosc 2005;61:631-3.
110. Khashab M, Raju GS, Pasricha J, Kozarek R.  Insertibility and safety of a shape locking device for colonoscopy.  Am J Gastroenterol 2005;100:817-20.
111. Kessler WR, Rex DK.  Impact of bending section length on insertion and retroflexion properties of pediatric and adult colonoscopes.  Am J Gastroenterol 2005;100:1290-5.
112. Khashab M, Rex DK.  Efficacy and tolerability of a new formulation of sodium phosphate tablets (INKP-101), and a reduced sodium phosphate dose, in colon cleansing:  a single-center open label pilot trial.  Aliment Pharmacol Ther 2005;21:465-8.
113. *Rex DK, Khashab M.  Colonoscopic polypectomy in retroflexion.  Gastrointest Endosc 2006;63:144-8.
114. *Deenadayalu VP, Rex DK.  Colon polyp retrieval after cold snaring.  Gastrointest Endosc 2005;62:253-6.
115. *Rex DK, Heuss LT, Walker JA, Qi R.  Trained registered nurses / endoscopy teams can administer propofol safely for endoscopy.  Gastroenterology 2005;129:1384-91.
116. Vucelic B, Rex D, Pulanic R, et al. The Aer-O-Scope:  proof of concept of a pneumatic, skill-independent, self propelling, self navigating colonoscope.  Gastroenterology 2006;130:672-7.
117. *Chen SC, Rex DK.  Endoscopist can be more powerful than age and male gender in predicting adenoma detection at colonoscopy.  Am J Gastroenterol 2007;102:856-61.
118. Pfefer J, Grinshpon R, Rex D, et al. The Aer-O-Scope:  proof of concept of a pneumatic, skill independent, self propelling, self navigating colonoscopy in the pig model.  Endoscopy 2006;38:144-8.
119. Chen SC, Rex DK.  Variable detection of non-adenomatous polyps by individual endoscopists at colonoscopy and correlation with adenoma detection.  J Clin Gastroenterol (in press).
120. Drake LM, Chen SC, Rex DK.  Efficacy of bispectral monitoring as an adjunct to nurse-administered propofol sedation for colonoscopy:  a randomized controlled trial.  Am J Gastroenterol 2006;101:2003-7.
121. VanNatta M, Rex DK.  Propofol alone titrated to deep sedation versus propofol in combination with narcotics and/or benzodiazepines and targeted to moderate sedation for colonoscopy.  Am J Gastroenterol 2006;101:2209-17.
122. Rex DK, Schwartz H, Goldstein M, Popp J, Katz S, Barish C, Karlstadt RG, Rose M, Walker K, Lottes S, Ettinger N, Zhang B.  Safety and colon-cleansing efficacy of a new residue-free formulation of sodium phosphate tablets.  Am J Gastroenterol 2006;101:2594-604.
123. Kann L, Han J, Ahlquist D, Levin T, Rex, D, Whitney D, Markowitz S, Shuber A.  Improved marker combination for detection of de novo genetic variation and aberrant DNA in colorectal neoplasia.  Clinical Chemistry 2006;52:2299-302.
124. Imperiale TF, Kahi CJ, Stuart JS, Born LJ, Glowinski EA, Walter RA, Rex DK.  A case-control study of risk factors for advanced sporadic colorectal neoplasia in persons younger than age 50.  (submitted).
125. Rex DK.  Review article:  Moderate sedation for endoscopy:  sedation regimens for non-anesthesiologists.  Alimentary Pharmacology & Therapeutics 2006;24:163-71.
126. Rex DK.  New developments in bowel preparation.  (submitted).
127. Rex DK.  Maximizing detection of adenomas and cancers during colonoscopy.  Am J Gastroenterol 2006;101:2866-77.
128. Rajesh A, Sandrasegaran K, Jennings SG, Maglinte DDT, McHenry L, Lapas JC, Rex DK.  Comparison of capsule endoscopy with enteroclysis in the investigation of small bowel disease.  Abdominal Imaging (in press).
129. Kozarek RA, Schembre D, Spaulding W, Rex DK, Swanstrom LL.  ShapeLock small bowel endoscopy.  Gastrointest Endosc (submitted).
130. Skoletsky J, Rex DK, et al.  Optimal marker combination.  Clinical Chemistry (in press).
131. Overhiser AJ, Rex DK.  Work and resources needed for endoscopic resection of large sessile colorectal polyps.  Clinical Gastroenterology and Hepatology (in press).
132. Rex DK, et al.  Proof of concept study of the Aer-O-Scope™ Omni-directional colonoscope in a pig model. (in press).
133. Rex DK, Chen SC, Overhiser AJ.  Colonoscopy technique in consecutive patients referred for prior incomplete colonoscopy.  Clinical Gastroenterology and Hepatology (in press).
134. Chen SC, Overhiser AJ, Rex DK, et al.  Histopathology of small colorectal polyps removed by videoendoscopy and variable pathologic interpretation and definitions of advanced adenomas.  Clinical Gastroenterology and Hepatology (submitted).
135. Rex DK, Helbig C.  High yields of small and flat adenomas with high definition colonoscopes using either white light or narrow band imaging.  Gastroenterology (in press).
136. Fatima H, Rex DK, Rothstein R, et al.  Cecal insertion and withdrawal times with wide-angle versus standard colonoscopes:  a prospective, randomized controlled trial.  (in preparation).
137. Rex DK.  Sodium phosphate bowel preparations for colonoscopy:  dosing considerations.  Annals of Pharmacotherapy (submitted).
138. Arber N, Grinshpon R, Pfeffer J, Maor L, Bar-Meir S, Rex D..  Proof-of-concept study of the Aer-O-Scope omnidirectional colonoscopic viewing system in ex-vivo and in-vivo porcine models.  Endoscopy 2007;39:412-7.
139. Gagovic V, Rex DK.  Gastroenterologists’ patient instructions for oral sodium phosphate solution for colonoscopy preparation:  a survey among gastroenterologists in the state of Indiana.  Journal of Clinical Gastroenterology (in press).
140. Ahlquist DA, Sargent DJ, Loprinzi CL, Levin TR, Rex DK, et al.  Stool DNA and occult blood testing for screen-detection of colorectal neoplasia:  a prospective multi-center comparison.  (in preparation).