TY  - RPRT
TI  - Ursodeoxycholic acid and gallstone calcification.
AU  - M C Bateson
PY  - 1982
DO  - 10.1016/s0140-6736(82)92591-0
UR  - https://pubmed.ncbi.nlm.nih.gov/6119439/
ID  - 6119439
ER  -