Serial phonocardiography during the neonatal period. A comparative study in infants born with early and late clamping of the cord.
D004562:Electrocardiography; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D010701:Phonocardiography; D011247:Pregnancy; D014470:Umbilical Cord / Q000502:physiology*