title: [ON THE CAUSES OF AGE VARIATIONS AT MENARCHE].
mesh_terms: D000293:Adolescent; D000375:Aging; D003718:Denmark; D005260:Female; D006801:Humans; D008572:Menarche; D008598:Menstruation; D010827:Physiology
keywords: ADOLESCENCE; AGING; DENMARK; MENSTRUATION; PHYSIOLOGY
vernacular_title: OM ARSAGERNE TIL MENARKENS TIDSMAESSIGE VARIATION.