TY  - RPRT
TI  - Laparoscopic cholecystectomy.
AU  - N J Soper
PY  - 1991
DO  - 10.1016/0011-3840(91)90041-m
UR  - https://pubmed.ncbi.nlm.nih.gov/1831416/
ID  - 1831416
ER  -