title: [Genetic and demographic factors and menarchial age].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D003710:Demography; D005191:Family Characteristics; D005260:Female; D005826:Genetics, Medical; D006798:Housing; D006801:Humans; D006814:Hungary; D008572:Menarche; D012959:Socioeconomic Factors
vernacular_title: Genetische und demographische Faktoren und Menarchealter.