title: A possible hazard.
authors.forename: P A
authors.initials: PA
authors.lastname: Isaac
mesh_terms: D002405:Catheterization, Central Venous / Q000295:instrumentation* / Q000379:methods; D016027:Heart Transplantation; D006801:Humans; D016040:Lung Transplantation; D014019:Tissue Donors; D014683:Vena Cava, Superior