(Q30962633)
Statements
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Studies relying on passive retrospective cohorts developed from health services data provide biased estimates of incidence of sexually transmitted infections (English)
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Jeffrey D Klausner
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Charlotte K Kent
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Janice K Chaw
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Robert P Kohn
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Ying Q Chen
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1 October 2004
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31
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10
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596-600
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Identifiers
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