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Anatomical extent of fiberoptic sigmoidoscopy.
Lehman GA, Buchner DM, Lappas JC. Lehman GA, et al. Among authors: lappas jc. Gastroenterology. 1983 Apr;84(4):803-8. Gastroenterology. 1983. PMID: 6825990
Colonoscopy evaluations: justification by cost?
Rex DK, Mark D, Clarke B, Lappas JC, Lehman GA. Rex DK, et al. Among authors: lappas jc. Am J Gastroenterol. 1996 Mar;91(3):614-5. Am J Gastroenterol. 1996. PMID: 8633528
Postendoscopy barium enema examinations.
Lappas JC, Miller RE, Lehman GA, Eskridge JM, Morton JA. Lappas JC, et al. Radiology. 1983 Dec;149(3):655-8. doi: 10.1148/radiology.149.3.6647840. Radiology. 1983. PMID: 6647840
70 results