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