[Duration of systolic phases in patients with patent ductus arteriosus before and after surgery].
D002648:Child; D002675:Child, Preschool; D004374:Ductus Arteriosus, Patent / Q000601:surgery*; D006339:Heart Rate; D006801:Humans
Prodolzhitel'nost' faz sistoly u bol'nykh otkrytym arterial'nym protokom do i posle operatsii.