No abstract available
Publication types
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Comment
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Letter
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Cohort Studies
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Female
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HIV Infections / transmission*
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Humans
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Infant, Newborn
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Infectious Disease Transmission, Vertical / statistics & numerical data*
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New York / epidemiology
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Pregnancy
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Pregnancy Complications, Infectious*
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Prevalence
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Smoking / adverse effects*
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Smoking / epidemiology