Abstract
The idea that delayed fertilization is correlated with the incidence of Down's syndrome has been examined closely in the light of the demonstration that frequency of marital coitus follows a Poisson distribution.
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MATSUNAGA, E., MARUYAMA, T. Human Sexual Behaviour, Delayed Fertilization and Down's Syndrome. Nature 221, 642–644 (1969). https://doi.org/10.1038/221642a0
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DOI: https://doi.org/10.1038/221642a0
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