title: The "lap-loop" as a substitute for the fourth trocar in laparoscopic cholecystectomy. A critical appraisal.
authors.forename: W T
authors.initials: WT
authors.lastname: Ng
authors.forename: C K
authors.initials: CK
authors.lastname: Kong
authors.forename: H C
authors.initials: HC
authors.lastname: Yeung
authors.forename: K S
authors.initials: KS
authors.lastname: Book
authors.forename: K S
authors.initials: KS
authors.lastname: Yuen
mesh_terms: D017081:Cholecystectomy, Laparoscopic / Q000295:instrumentation / Q000379:methods*; D002764:Cholecystitis / Q000601:surgery; D006801:Humans; D013525:Surgical Instruments / Q000706:statistics & numerical data