Chao, F., Gerland, P., Cook, A. R., & Alkema, L. (2019). Systematic assessment of the sex ratio at birth for all countries and estimation of national imbalances and regional reference levels. Proc Natl Acad Sci U S A.
シカゴスタイル引用形Chao, Fengqing, Patrick Gerland, Alex R. Cook, , Leontine Alkema. "Systematic Assessment of the Sex Ratio At Birth for All Countries and Estimation of National Imbalances and Regional Reference Levels." Proc Natl Acad Sci U S A 2019.
MLA引用形式Chao, Fengqing, Patrick Gerland, Alex R. Cook, , Leontine Alkema. "Systematic Assessment of the Sex Ratio At Birth for All Countries and Estimation of National Imbalances and Regional Reference Levels." Proc Natl Acad Sci U S A 2019.
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