TY  - RPRT
TI  - Endoscopic pancreatocholangiography: progress and problem.
AU  - F J Ingelfinger
PY  - 1972
DO  - 10.1056/nejm197210262871713
UR  - https://pubmed.ncbi.nlm.nih.gov/5071970/
ID  - 5071970
ER  -