Factors affecting the technical difficulty of colonoscopy.
Oh SY, Sohn CI, Sung IK, Park DI, Kang MS, Yoo TW, Park JH, Kim HJ, Cho YK, Jeon WK, Kim BI.
Oh SY, et al. Among authors: jeon wk.
Hepatogastroenterology. 2007 Jul-Aug;54(77):1403-6.
Hepatogastroenterology. 2007.
PMID: 17708264