TY  - RPRT
TI  - [Gallbladder polyps and gallbladder stones].
AU  - C Wolpers
PY  - 1989
DO  - 10.1055/s-2008-1066847
UR  - https://pubmed.ncbi.nlm.nih.gov/2591304/
ID  - 2591304
ER  -