Conroy, J M Safe placement of the long-arm CVP. [electronic resource] - Anesthesia and analgesia Nov 1987 - 1199 p. digital Publication Type: Letter ISSN: 0003-2999 Standard No.: 10.1213/00000539-198711000-00028 doi Subjects--Topical Terms: Catheterization, Central Venous--methodsHumans