TY  - RPRT
TI  - Normal or "negative" percutaneous cholangiogram.
AU  - M James
PY  - 1971
DO  - 10.1001/archsurg.1971.01350070057012
UR  - https://pubmed.ncbi.nlm.nih.gov/5088425/
ID  - 5088425
ER  -