RT Journal Article SR Electronic T1 Double Lumen Endotracheal Tube for Percutaneous Tracheostomy? JF Respiratory Care FD American Association for Respiratory Care SP e62 OP e62 DO 10.4187/respcare.03911 VO 60 IS 3 A1 Fausto Ferraro A1 Pierluigi Fusco A1 Lucia Marullo A1 Annarita Torino YR 2015 UL http://rc.rcjournal.com/content/60/3/e62.1.abstract AB