title: The 3-way stopcock: a useful adjunct in the practice of arthrocentesis.
authors.forename: Peter A
authors.initials: PA
authors.lastname: Simkin
authors.forename: Gregory C
authors.initials: GC
authors.lastname: Gardner
mesh_terms: D006801:Humans; D007596:Joints; D019152:Paracentesis / Q000295:instrumentation* / Q000379:methods