No abstract available
MeSH terms
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Contraception Behavior / statistics & numerical data*
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Contraceptive Agents, Female*
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Female
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HIV Infections / epidemiology*
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HIV Infections / etiology*
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HIV-1 / drug effects*
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Humans
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Medroxyprogesterone Acetate*
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Norethindrone / analogs & derivatives*
Substances
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Contraceptive Agents, Female
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Medroxyprogesterone Acetate
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Norethindrone