No abstract available
Publication types
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Clinical Trial
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Letter
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Multicenter Study
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Randomized Controlled Trial
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Comment
MeSH terms
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Cotinine / urine
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Female
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Humans
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Pregnancy
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Pregnancy Complications / prevention & control*
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Pregnancy Complications / urine
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Prenatal Care / methods*
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Public Health / methods*
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Smoking / urine
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Smoking Cessation*
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Smoking Prevention*