TY  - RPRT
TI  - Gallstone ileus: a diagnostic problem.
AU  - R J Kurtz
AU  - T M Heimann
AU  - A B Kurtz
PY  - 1983
DO  - 10.1016/0002-9610(83)90404-x
UR  - https://pubmed.ncbi.nlm.nih.gov/6614318/
ID  - 6614318
ER  -