TY  - RPRT
TI  - Colonoscopy: how far is enough?
AU  - W H Isbister
PY  - 1995
DO  - 10.1111/j.1445-2197.1995.tb01746.x
UR  - https://pubmed.ncbi.nlm.nih.gov/7818422/
ID  - 7818422
ER  -