Long-term use of oral contraceptives and
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Louise A. Brinton; George R. Huggins; Herman F. Lehman; Katherine Mallin; David
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Article
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1986
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John Wiley and Sons
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French
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To evaluate the relationship between use of oral contraceptives and risk of invasive cervical cancer, a case-control study involving 479 patients and 789 population controls was undertaken in 5 geographic regions of the US. Initially, the relationship was obscured by confounding variables, particula