TY  - RPRT
TI  - Laparoscopic cholecystectomy.
AU  - K B Orr
PY  - 1992
DO  - 10.1136/bmj.304.6832.982-b
UR  - https://pubmed.ncbi.nlm.nih.gov/1533806/
ID  - 1533806
ER  -