AU - Keenan SP, Powers C, McCormack DG, Block G TI - Noninvasive positive-pressure ventilation for postextubation respiratory distress: A randomized controlled trial PT - JOUR DP - 2002 TA - JAMA pages = {3238-3244}, VI - 287 IP - 24 AID - 10.1001/jama.287.24.3238 [doi] 4100 - http://dx.doi.org/10.1001/jama.287.24.3238 SO - JAMA June 26, 2002 287(24):3238