Advances in surgery.
D001662:Biliary Tract Surgical Procedures; D004947:Esophagus / Q000601:surgery; D013502:General Surgery / Q000193:education; D006801:Humans; D006975:Hypertension, Portal / Q000628:therapy; D007422:Intestines / Q000601:surgery; D009369:Neoplasms / Q000601:surgery; D010179:Pancreas / Q000601:surgery; D013270:Stomach / Q000601:surgery; D013514:Surgical Procedures, Operative; D013961:Thyroid Gland / Q000601:surgery