RT Journal Article SR Electronic T1 Prolonged Mechanical Ventilation: Are You a Lumper or a Splitter? JF Respiratory Care FD American Association for Respiratory Care SP 1859 OP 1860 DO 10.4187/respcare.01600 VO 56 IS 11 A1 O'Connor, Heidi H YR 2011 UL http://rc.rcjournal.com/content/56/11/1859.abstract AB