title: Murmur of persistent ductus arteriosus in premature infants.
mesh_terms: D003326:Coronary Circulation; D003937:Diagnosis, Differential; D004374:Ductus Arteriosus, Patent / Q000150:complications / Q000175:diagnosis / Q000503:physiopathology*; D004562:Electrocardiography; D006323:Heart Arrest / Q000209:etiology; D006326:Heart Auscultation; D006801:Humans; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000503:physiopathology*; D010701:Phonocardiography; D012039:Regional Blood Flow