Epidemiologic evidence for an ecological phenomenon
- PMID: 22883567
- DOI: 10.1016/j.fertnstert.2012.07.1094
Epidemiologic evidence for an ecological phenomenon
Comment on
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Preconception stress and the secondary sex ratio: a prospective cohort study.Fertil Steril. 2012 Oct;98(4):937-41. doi: 10.1016/j.fertnstert.2012.06.037. Epub 2012 Aug 9. Fertil Steril. 2012. PMID: 22884014 Free PMC article.
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