TY  - RPRT
TI  - Endoscopic retrograde biliary drainage.
AU  - P C Freeny
AU  - R M Gannon
AU  - T J Ball
PY  - 1982
DO  - 10.2214/ajr.139.2.399
UR  - https://pubmed.ncbi.nlm.nih.gov/6979905/
ID  - 6979905
ER  -