TY  - RPRT
TI  - Colonoscopy, proctoscopy, and ileoscopy.
AU  - M D Willard
PY  - 2001
DO  - 10.1016/s0195-5616(01)50064-9
UR  - https://pubmed.ncbi.nlm.nih.gov/11487949/
ID  - 11487949
ER  -