Comparison of three methods of screening for pediatric heart disease.
D018376:Cardiovascular Abnormalities / Q000517:prevention & control*; D002319:Cardiovascular System; D002648:Child; D006321:Heart; D006331:Heart Diseases; D006801:Humans; D012214:Rheumatic Heart Disease / Q000517:prevention & control*
CARDIOVASCULAR DEFECTS, CONGENITAL/prevention and control; RHEUMATIC HEART DISEASE/prevention and control