[CONTRIBUTION TO THE STUDY OF THE MENARCHE IN VENEZUELA].
D000152:Acne Vulgaris; D000293:Adolescent; D002648:Child; D004412:Dysmenorrhea; D005260:Female; D006801:Humans; D008572:Menarche; D008598:Menstruation; D000297:Psychology, Adolescent; D013223:Statistics as Topic; D014069:Tonsillitis; D014687:Venezuela
ACNE; ADOLESCENCE; ADOLESCENT PSYCHOLOGY; CHILD; DYSMENORRHEA; MENSTRUATION; STATISTICS; TONSILLITIS; VENEZUELA
CONTRIBUCI'ON ESTUDIO DE LA MENARQUIA EN VENEZUELA.