Sunlight and breast cancer incidence in the USSR.
Armenian
H K
HK
D001943:Breast Neoplasms / Q000453:epidemiology / Q000209:etiology*; D005260:Female; D006801:Humans; D015994:Incidence; D009381:Neoplasms, Radiation-Induced / Q000209:etiology; D013472:Sunlight / Q000009:adverse effects*; D014586:USSR / Q000453:epidemiology