TY  - RPRT
TI  - Operator volume as a "risk factor".
AU  - S E Kimmel
AU  - D M Kolansky
PY  - 1997
DO  - 10.1016/s0735-1097(97)00273-8
UR  - https://pubmed.ncbi.nlm.nih.gov/9316512/
ID  - 9316512
ER  -