TY  - RPRT
TI  - Endoscopic biliary dilatation.
AU  - N A Collier
PY  - 1986
DO  - 10.5694/j.1326-5377.1986.tb113640.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3941622/
ID  - 3941622
ER  -