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Prematurity and respiratory outcomes program (PROP): study protocol of a prospective multicenter study of respiratory outcomes of preterm infants in the United States.
Pryhuber GS, Maitre NL, Ballard RA, Cifelli D, Davis SD, Ellenberg JH, Greenberg JM, Kemp J, Mariani TJ, Panitch H, Ren C, Shaw P, Taussig LM, Hamvas A; Prematurity and Respiratory Outcomes Program Investigators. Pryhuber GS, et al. BMC Pediatr. 2015 Apr 10;15:37. doi: 10.1186/s12887-015-0346-3. BMC Pediatr. 2015. PMID: 25886363 Free PMC article.