title: Transient murmur simulating pulmonary artery stenosis in premature infants.
mesh_terms: D001724:Birth Weight; D001794:Blood Pressure; D006328:Cardiac Catheterization; D005260:Female; D006326:Heart Auscultation; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000175:diagnosis*; D007234:Infant, Premature; D008297:Male; D010701:Phonocardiography; D011651:Pulmonary Artery / Q000254:growth & development; D011666:Pulmonary Valve Stenosis / Q000175:diagnosis*; D013997:Time Factors; D014655:Vascular Resistance