THE ELECTROCARDIOGRAM IN THE FIRST TWO DAYS OF LIFE. AN INTERRACIAL STUDY.
D035843:Biomedical Research; D044383:Black People; D004562:Electrocardiography; D006801:Humans; D007231:Infant, Newborn; D012106:Research; D013019:South Africa; D044465:White People
CAUCASIAN RACE; CLINICAL RESEARCH; ELECTROCARDIOGRAPHY; INFANT, NEWBORN; NEGROES; SOUTH AFRICA