title: [Study of the menarchial age of girls from the Marche region (from 1927 to 1969)].
mesh_terms: D000293:Adolescent; D005260:Female; D006128:Growth; D006801:Humans; D007558:Italy; D008572:Menarche; D009747:Nutritional Physiological Phenomena; D012959:Socioeconomic Factors
vernacular_title: Indagine sull'età menarcale delle fanciulle marchigiane (dal 1927 al 1969.