title: Passive tube and suction drainage after elective cholecystectomy--a comparison using ultrasonography.
authors.forename: M J
authors.initials: MJ
authors.lastname: Davies
mesh_terms: D001659:Biliary Tract / Q000000981:diagnostic imaging*; D002763:Cholecystectomy; D004322:Drainage / Q000379:methods*; D005069:Evaluation Studies as Topic; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D007958:Leukocyte Count; D011182:Postoperative Care / Q000379:methods*; D013396:Suction / Q000379:methods*; D014463:Ultrasonography
chemical_list: D006454:Hemoglobins