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MedicineGynecologyObstetricsPrenatal DiagnosisEarly Pregnancy AssessmentMenstrual CyclePregnancyPregnancy DiagnosisTiming Of Pregnancy Testing
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Incidence of Early Loss of Pregnancy
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Natural Limits of Pregnancy Testing in Relation to the Expected Menstrual Period
Allen J. Wilcox · JAMA · 2001 · 106 citations
Medicine, Gynecology, Obstetrics +11