TY  - RPRT
TI  - Gallstone disease: pathogenesis and management.
AU  - E A Shaffer
AU  - D M Small
PY  - 1976
DO  - 10.1016/s0011-3840(76)80004-4
UR  - https://pubmed.ncbi.nlm.nih.gov/786552/
ID  - 786552
ER  -