Gastrointestinal biliary conditions.
D001659:Biliary Tract / Q000601:surgery*; D001662:Biliary Tract Surgical Procedures; D005705:Gallbladder Diseases; D005762:Gastroenterology / Q000601:surgery*; D005767:Gastrointestinal Diseases; D006801:Humans
BILIARY TRACT/surgery; GASTROENTEROLOGY/surgery