title: [Secular trend of menarcheal age in Spanish adolescents].
authors.forename: Leandro
authors.initials: L
authors.lastname: Soriano Guillén
authors.forename: Miriam
authors.initials: M
authors.lastname: Blanco Rodríguez
authors.forename: Mercedes
authors.initials: M
authors.lastname: Cortés Martín
authors.forename: Carmela
authors.initials: C
authors.lastname: Martínez Martín
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D005260:Female; D006801:Humans; D008572:Menarche; D009765:Obesity / Q000503:physiopathology*; D011446:Prospective Studies; D013030:Spain