[ETIOLOGIC STUDY OF CONGENITAL CARDIOPATHIES. 1. INCIDENCE AND NATURAL VARIATION].
D000375:Aging; D002965:Classification; D004813:Epidemiology; D006330:Heart Defects, Congenital; D006801:Humans; D015994:Incidence; D012723:Sex; D013030:Spain; D013223:Statistics as Topic
AGING; CLASSIFICATION; EPIDEMIOLOGY; HEART DEFECTS, CONGENITAL; SEX; SPAIN; STATISTICS
ESTUDIO ETIOL'OGICO DE LAS CARDIOPATHIAS CONG'ENITAS. 1.--FRECUENCIA Y VARIACI'ON NATURALES.