Flight attendants, breast cancer, and melatonin.
Gurwitz
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D000337:Aerospace Medicine; D001943:Breast Neoplasms / Q000453:epidemiology / Q000209:etiology*; D002940:Circadian Rhythm; D005260:Female; D006801:Humans; D015994:Incidence; D008875:Middle Aged; D009664:Norway / Q000453:epidemiology; D009790:Occupations; D012307:Risk Factors; D014195:Travel