[Electrocardiographic follow up investigations in newborn infants of various stages of maturity].
D001835:Body Weight; D002648:Child; D004562:Electrocardiography; D005500:Follow-Up Studies; D006321:Heart / Q000502:physiology*; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008722:Methods
Elektrokardiographische Verlaufsuntersuchungen bei Neugeborenen verschiedener Reifegrade.