title: "Prongs" on double-lumen tubes.
authors.forename: M J
authors.initials: MJ
authors.lastname: Garfield
mesh_terms: D000776:Anesthesiology / Q000295:instrumentation*; D002404:Catheterization / Q000295:instrumentation*; D004867:Equipment Design; D004869:Equipment Safety; D016365:Liability, Legal