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Variations in the Sex-Ratio at Birth

Published online by Cambridge University Press:  18 August 2016

Abstract

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Type
Other
Copyright
Copyright © Institute and Faculty of Actuaries 1958

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References

Lewis, J. N. & Lewis, C. J. (1906). The variations in masculinity under different conditions. J.I.A. 40, 154.Google Scholar
Novitski, E. & Sandler, L. (1956). The relationship between parental age, birth order and the secondary sex ratio in humans. Ann. Hum. Genet., Lond., 21, 123.CrossRefGoogle ScholarPubMed
Registrar General's reports covering the years 1901-54.Google Scholar