title: [Physical and sexual development of rural schoolgirls in Astrakhan Province].
mesh_terms: D000293:Adolescent; D002648:Child; D005260:Female; D006128:Growth; D006801:Humans; D008572:Menarche; D008598:Menstruation; D012424:Rural Population; D012426:Russia; D012727:Sex Characteristics
vernacular_title: Fizicheskoe i polovoe razvitie sel'skikh shkol'nits Astrakhanskoĭ oblasti