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Abstract Sex of the baby is routinely recorded, and the ratio of boys to girls at birth is simple to calculate. A ratio of 51 boys to 49 girls has remained constant over time and across a variety of conditions. Environmental toxicants, war, and many other factors have been claimed to affect the sex ratio, but the only ones that can be
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A meta-analysis of sex differences prevalence, incidence and severity of osteoarthritis
Osteoarthritis and Cartilage, 2005Tania Winzenberg +2 more
exaly
Diverse and variable sex determination mechanisms in vertebrates
Science China Life Sciences, 2018Xi-Yin Li +2 more
exaly

