title: [Age of menarche in women of rural and urban origin (author's transl)].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D005260:Female; D006801:Humans; D008572:Menarche; D008800:Mexico; D012424:Rural Population; D014505:Urban Population
vernacular_title: La edad de La menarquia en mujeres de origen rural y urbano