TY  - RPRT
TI  - Two new methods for selective bile duct cannulation and sphincterotomy.
AU  - J H Siegel
AU  - W Pullano
PY  - 1987
DO  - 10.1016/s0016-5107(87)71683-6
UR  - https://pubmed.ncbi.nlm.nih.gov/3443263/
ID  - 3443263
ER  -