Polychlorinated biphenyls disrupt reproduction and development in fish in the laboratory. However, the effects of PCBs on fish exposed in the field are oft... E Monosson - 《Reviews in Toxicology》 被引量: 88发表: 2000年 Sexual and reproductive health for young adults in Colombia: teleconsultati...
4、Creature is the tools of DNA, the robot of DNA, the world is ruled by DNA.(Maybe it's hard to accept) 5、As a creature of human, we repoduce ourself by sexual reproduction. 6、We offer better ecomomy situation,better study resource, better way to comunicate with others.We meet ...
In two separate samples, participants were (a)first asked to report their ideal number of desired sex partners-identified as a nonspecific ideal; (b) next, they responded after considering some of the health and social risks, and the opportunity limitations, associated with sexual activity-a ...
Examples of alternative reproduction are given including sperm, egg and embryo donation, and artificial insemination. The cases of several couples' battle for... Zodrow,John,J. - 《American Journal of Family Law》 被引量: 0发表: 2008年 An evaluation of the effect of infertility on marital, ...