J L Simpson. Show Affiliations »
Abstract
Mesh: See more » Cervix MucusChromosome Aberrations/etiologyChromosome DisordersCongenital Abnormalities/etiologyFemaleFertilizationHumansHydrogen-Ion ConcentrationInfant, NewbornMaleMenstruationOvulationOvum/physiologyPregnancySex RatioTime Factors
Year: 1979 PMID: 36557 DOI: 10.1056/NEJM197906283002609
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245