Ray and colleagues1 present data on variation in birth sex ratios among Ontario newborns, showing a significant male-biased sex ratio at birth among multiparous Indian and South Korean mothers. The ...
Biostatisticians have developed a new estimation method for assessing natural variations in the sex ratio at birth (SRB) for all countries in the world. An international team of researchers, led by ...
This is a preview. Log in through your library . Abstract We investigated the effects of maternal weight and age and density of breeding females on sex ratio (percentage of males) in litters of wild ...
Cancer Causes & Control, Vol. 26, No. 5, Special Issue: Breast and Cervical Cancer Early Detection Program (May 2015), pp. 689-695, 697 (8 pages) Purpose: There is substantial variation across the ...
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