TY  - RPRT
TI  - Computerized tomography, echo, before percutaneous transhepatic cholangiography, endoscopic retrograde cholangiography.
AU  - H I Goldberg
AU  - M T Korobkin
PY  - 1977
UR  - https://pubmed.ncbi.nlm.nih.gov/830233/
ID  - 830233
ER  -