TY  - RPRT
TI  - Gallbladder operations: a population-based analysis.
AU  - S M Cageorge
AU  - L L Roos
AU  - R Danzinger
PY  - 1981
DO  - 10.1097/00005650-198105000-00004
UR  - https://pubmed.ncbi.nlm.nih.gov/7230941/
ID  - 7230941
ER  -