title: [New aspects of menarche research and acceleration].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D005260:Female; D005859:Germany, East; D006801:Humans; D008572:Menarche; D012106:Research
vernacular_title: Neue Aspekte der Menarche-Forschung und der Akzeleration.