Cardiac and respiratory activity in relation to gestation and sleep states in newborn infants.
D004562:Electrocardiography; D005260:Female; D005865:Gestational Age; D006339:Heart Rate; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008297:Male; D012119:Respiration; D012894:Sleep Stages / Q000502:physiology*