Epidemiologic Evidence for an Ecological Phenomenon

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Authors

Anne Zweifel Steiner, M.D., M.P.H.

Vol 98, Issue 4, Pages 819-820

Abstract

Reflections on "Preconception stress and the secondary sex ratio: a prospective cohort study"

Read the full text at: http://www.fertstert.org/article/S0015-0282(12)01830-4/fulltext