Reviewed
Reviewer grazyna
#296 Sex ratio at birth following the environmental stress. The pilot study of the Detva population (The Upper Hungary Kingdom), 1801-1920
According to biological law, the ratio of male-to-female live births (secondary sex ratio, SSR) should be in the range of 105–108% of female live births. Many studies have suggested that SSR fluctuations may have been the result of exposure of...