[STUDY OF THE ESOPHAGEAL ELECTROCARDIOGRAM IN THE NORMAL INFANT].
D004562:Electrocardiography; D004947:Esophagus; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012106:Research
ELECTROCARDIOGRAPHY; ESOPHAGUS; INFANT; INFANT, NEWBORN
STUDIO DELL'ELETTROCARDIOGRAMMA ESOFAGEO NEL LATTANTE NORMALE.