Potential for bias in estimating human f
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Haibo Zhou; Clarice R. Weinberg
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Article
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1999
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John Wiley and Sons
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English
โ 124 KB
๐ 1 views
Fecundability studies, where couples attempting pregnancy subject to 'failure' (conception) one time in each menstrual cycle, present a natural discrete failure-time scenario. Because the biologic capacity to conceive varies among couples in the population, a complication arises in choosing a method