Considerations for epidemiologic studies to test the hypothesis of viral causation of human breast cancer.
D000328:Adult; D001943:Breast Neoplasms / Q000453:epidemiology* / Q000209:etiology* / Q000235:genetics; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007774:Lactation; D008324:Mammary Tumor Virus, Mouse / Q000472:pathogenicity*; D008895:Milk, Human / Q000382:microbiology*; D011247:Pregnancy; D011446:Prospective Studies; D014777:Virus Diseases