title: [Does the number of menstrual cycles influence the risk of breast cancer?].
authors.forename: H
authors.initials: H
authors.lastname: Olsson
authors.forename: J
authors.initials: J
authors.lastname: Ranstam
mesh_terms: D001943:Breast Neoplasms / Q000209:etiology*; D005260:Female; D006801:Humans; D008597:Menstrual Cycle; D012307:Risk Factors
vernacular_title: Antalet menstruationscykler påverkar bröstcancerrisken?