[Persistent ductus arteriosus; a study of 20 cases].
D004373:Ductus Arteriosus; D004374:Ductus Arteriosus, Patent / Q000175:diagnosis*; D004562:Electrocardiography; D006801:Humans
DUCTUS ARTERIOSUS, PATENT/diagnosis; ELECTROCARDIOGRAPHY
Conducto arterioso persistente; un estudio de 20 casos.