TY  - RPRT
TI  - [Fentanyl and biliary tract pressure].
AU  - P R Tremblay
AU  - P Poncelet
AU  - D K Dinh
PY  - 1973
DO  - 10.1007/bf03025675
UR  - https://pubmed.ncbi.nlm.nih.gov/4769608/
ID  - 4769608
ER  -