(Q37897092)
Statements
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Decreased risk of symptomatic chlamydial pelvic inflammatory disease associated with oral contraceptive use. (English)
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N Kiviat
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K K Holmes
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D A Eschenbach
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P Wølner-Hanssen
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J Paavonen
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C E Stevens
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C Critchlow
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T DeRouen
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1 January 1990
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263
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1
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54-59
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Identifiers
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