title: [HEART RATE IN NORMAL INFANTS (ELECTROCARDIOGRAPHIC STUDY)].
mesh_terms: D004562:Electrocardiography; D006321:Heart; D006339:Heart Rate; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D010827:Physiology
keywords: ELECTROCARDIOGRAPHY; HEART; HEART RATE; INFANT; INFANT, NEWBORN; PHYSIOLOGY
vernacular_title: FREQU ENCIA CARD'IACA EM LACTENTES NORMAIS (ESTUDO ELETROCARDIOGR'AFICO)