Cuna A, Lagatta JM, Savani RC, Vyas-Read S, Engle WA, Rose RS, DiGeronimo R, Logan JW, Mikhael M, Natarajan G, Truog WE, Kielt M, Murthy K, Zaniletti I, Lewis TR; Children’s Hospitals Neonatal Consortium (CHNC) Severe BPD Focus Group. Association of time of first corticosteroid treatment with bronchopulmonary dysplasia in preterm infants. Pediatr Pulmonol. 2021 Aug 11.