publicaciones seleccionadas artículo académico Prolonged initial empirical antibiotic treatment and the risk of morbidity and mortality in very low birthweight infants. REVISTA CHILENA DE PEDIATRIA. 89(5):600-605. 2018 Oral propranolol in early stages of retinopathy of prematurity . JOURNAL OF PERINATAL MEDICINE. 44(5):499-503. 2016