TY - GEN AU - Czaja,Angela S TI - A critical appraisal of a randomized controlled trial: Willson et al: Effect of exogenous surfactant (calfactant) in pediatric acute lung injury (JAMA 2005, 293: 470-476) SN - 1529-7535 PY - 2007///0412 N1 - Publication Type: Comment; Journal Article UR - https://doi.org/10.1097/01.pcc.0000256611.40265.bc ER -