TY  - RPRT
TI  - Colon, rectum, and anus.
AU  - R W Beart
PY  - 1990
DO  - 10.1002/1097-0142(19900201)65:3+<684::aid-cncr2820651311>3.0.co;2-5
UR  - https://pubmed.ncbi.nlm.nih.gov/2405995/
ID  - 2405995
ER  -