TY  - RPRT
TI  - Colonoscopy and biopsy.
AU  - F A Macrae
AU  - P S Bhathal
PY  - 1997
DO  - 10.1016/s0950-3528(97)90054-3
UR  - https://pubmed.ncbi.nlm.nih.gov/9192061/
ID  - 9192061
ER  -