title: [Menarche and coitarche (author's transl)].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D003075:Coitus; D003604:Czechoslovakia; D005260:Female; D006801:Humans; D008572:Menarche
vernacular_title: Menarche a koitarche.