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International Classification of Primary Care

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Risk factors for uterine fibroids: reduced risk associated with oral contraceptives.

R K Ross, Malcolm C. Pike, Martin Vessey et al. · BMJ · 1986 · 410 citations · Full text

Medicine, Gynecology, Obstetrics +15

A Long-term follow-up study of women using different methods of contraception— an interim report

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Statistics with Confidence: Confidence Intervals and Statistical Guidelines

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