Matioc, Adrian Use of the Portex laryngeal mask introducer with the ProSeal LMA. [electronic resource] - Anesthesia and analgesia May 2002 - 1368-9; author reply 1369 p. digital Publication Type: Comment; Letter ISSN: 0003-2999 Standard No.: 10.1097/00000539-200205000-00067 doi Subjects--Topical Terms: HumansLaryngeal Masks