Predischarge Morbidities in Extremely and Very Low-Birth-Weight Infants in Spanish Neonatal Units - Moro, Manuel; Pérez-Rodriguez, Jesus; Figueras-Aloy, Josep; Fernández, Cristina; Doménech, Eduardo; Jiménez, Rafael; Pérez-Sheriff, Vicente; Quero, Jose; Roques, Vicente (American Journal of Perinatology, 2009)