The male to female ratio at birth.
نویسنده
چکیده
The factors that influence the male to female ratio at birth are legion. Males are usually born in excess and stress decreases the ratio while wellbeing and good health tends to increase it. This paper reviews the multitudes of factors that have been implicated as affecting this ratio, from historical times to date.
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عنوان ژورنال:
- Early human development
دوره 91 12 شماره
صفحات -
تاریخ انتشار 2015