[Age of the establishment of the menarche and its evolution in Belgium during the last 40 years].
D000293:Adolescent; D000367:Age Factors; D001530:Belgium; D002648:Child; D005260:Female; D006801:Humans; D008572:Menarche; D008598:Menstruation; D011627:Puberty; D012959:Socioeconomic Factors
L'âge au moment des premières règles et son évolution en Belgique au cours des quarante dernières années.