TY  - RPRT
TI  - It's the CP in ERCP that counts.
AU  - O T Nebel
PY  - 1975
DO  - 10.1016/s0016-5107(75)73825-7
UR  - https://pubmed.ncbi.nlm.nih.gov/1112476/
ID  - 1112476
ER  -