Editorial: Pseudo-obstruction of the common duct in operative cholangiography.
D001652:Bile Ducts / Q000601:surgery*; D002758:Cholangiography / Q000009:adverse effects*; D005283:Fentanyl / Q000009:adverse effects*; D006801:Humans; D013035:Spasm / Q000139:chemically induced*
D005283:Fentanyl