TY  - RPRT
TI  - Colonoscopy study not impartial.
AU  - S M Williams
AU  - R K Harned
AU  - F M Kelvin
AU  - D D Maglinte
PY  - 1987
DO  - 10.1007/bf02556933
UR  - https://pubmed.ncbi.nlm.nih.gov/3803111/
ID  - 3803111
ER  -