title: Light at night, shiftwork, and breast cancer risk.
authors.forename: J
authors.initials: J
authors.lastname: Hansen
mesh_terms: D000328:Adult; D000818:Animals; D001943:Breast Neoplasms / Q000453:epidemiology* / Q000209:etiology; D016022:Case-Control Studies; D002940:Circadian Rhythm / Q000528:radiation effects*; D015331:Cohort Studies; D004967:Estrogens / Q000378:metabolism; D005260:Female; D006801:Humans; D008027:Light / Q000009:adverse effects*; D008029:Lighting; D008550:Melatonin / Q000378:metabolism / Q000494:pharmacology; D009726:Nurses; D010053:Ovary / Q000378:metabolism; D010870:Pineal Gland / Q000378:metabolism / Q000528:radiation effects; D051381:Rats; D012307:Risk Factors; D012636:Secretory Rate / Q000528:radiation effects; D014940:Work Schedule Tolerance
chemical_list: D004967:Estrogens; D008550:Melatonin