TY  - RPRT
TI  - Biliary tree malignancies.
AU  - B A Erickson
AU  - S Nag
PY  - 1998
DO  - 10.1002/(sici)1096-9098(199803)67:3<203::aid-jso12>3.0.co;2-2
UR  - https://pubmed.ncbi.nlm.nih.gov/9530894/
ID  - 9530894
ER  -