We investigate the effect of a change in the sex ratio on assortative matching in the marriage market using a large negative exogenous shock to the French male population due to WWI casualties. We analyze a novel data set that links marriage-level data to both French censuses of population and...
Furthermore, we examined the relation between marital status, cohabitation status and risk of iP-SCC using hazard ratios (HRs) with 95% confidence ... CJ Ulff-Mller,S Jacob,F Morten 被引量: 0发表: 2016年 Adaptive adjustment of offspring sex ratio and maternal reproductive effort in an ite...
1115-007. DOES LEFT ATRIAL APPENDAGE MORPHOLOGY ASSOCIATED WITH SUCCESS RATIO OF LEFT ATRIAL APPENDAGE CLOSURE IN PATIENTS WITH NONVALVULAR ATRIAL FIBRILLATION? 1115-007.非瓣膜性心房颤动患者的左心耳形态与左心耳封堵术成功率相关吗? Zhenhua Li, Tao Zhang, Xiaoyuan Gao, Liu Shiguang, Su Guoying, Jin...
Hugo Friedhofer wrote one of his wonderful scores for the picture and it's a major highlight too.This Spanish DVD presents both an English and Spanish soundtrack (and optional Spanish subtitles). The good news is that it's presented in it's original widescreen (2:55 to 1) CinemaScope r...
The revision to the law aims to tackle China’s high gender imbalance, a direct result of prenatal sex discernment and sex-selective abortions driven by cultural preference for sons. The birth sex ratio last year was 113.5, much higher than a normal ratio between 103 and 107, though it has...
Evolutionary biologists and psychologists have long been aware of maternal effects on the secondary sex ratio in mammals. Up till now these have appeared inconsistent but re-analysis of the evidence, focusing on normally distributed maternal testosterone and its physiological and behavioral sequelae, reve...
Deviations from the Hardy-Weinberg equilibrium found in the ABO system were modified by the Rh and sex of the infant. These data strongly support the hypothesis that at least two feto-maternal systems influence the denstiny of pregnancies: the classical known incompatibility system which operates ...
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Stack Overflow has grown up by more then doubling in size to over 16 million users and multiplying its number of page views nearly 6 times to 95 million page views a month. 现在与2009年相比,Stack Overflow每月独立访问用户翻了一倍,超过1600万;每月PV翻了近6倍,达到9500万。
ECB(Z) females produce a 97:3 blend of Z11- and E11-tetradecenyl acetate whereas ECB(E) females produce an opposite 1:99 ratio of the Z and E isomers. Males of each race respond specifically to their conspecific female's blend. A closely related species, the Asian corn borer (ACB)...