TY - RPRT TI - Physiologic changes during colonoscopy. AU - M B Fennerty AU - D L Earnest AU - P B Hudson AU - R E Sampliner DO - 10.1016/s0016-5107(90)70916-9 UR - https://pubmed.ncbi.nlm.nih.gov/2311880/ ID - 2311880 ER -