title: Elusive estrogens may hold key to some cancer risk.
authors.forename: D
authors.initials: D
authors.lastname: Holzman
mesh_terms: D001800:Blood Specimen Collection; D001943:Breast Neoplasms / Q000097:blood* / Q000175:diagnosis; D015925:Cryopreservation; D004967:Estrogens / Q000097:blood*; D005260:Female; D006801:Humans; D008597:Menstrual Cycle / Q000097:blood; D017698:Postmenopause / Q000097:blood; D017697:Premenopause / Q000097:blood; D012189:Retrospective Studies; D012307:Risk Factors; D013997:Time Factors
chemical_list: D004967:Estrogens