title: Arterial or venous? You make the call.
authors.forename: P G
authors.initials: PG
authors.lastname: Polos
authors.forename: F E
authors.initials: FE
authors.lastname: Rinaldo
authors.forename: M
authors.initials: M
authors.lastname: Bhalla
authors.forename: S A
authors.initials: SA
authors.lastname: Sahn
mesh_terms: D000328:Adult; D001158:Arteries; D001784:Blood Gas Analysis; D002405:Catheterization, Central Venous / Q000009:adverse effects* / Q000379:methods; D006801:Humans; D008297:Male; D013902:Radiography, Thoracic; D014680:Veins