日韩精品三级呦呦|精品人妻二区日韩高清Av|久草午夜视频在线播放|日韩无码青草 久久97AV综合_美国av不卡在线观看_亚洲经典无码视频_亚洲毛片在线看网站

One-Fifth of Human Genes Have Been Patented

October 17, 2005
A new study shows that 20 percent of human genes have been patented in the United States, primarily by private firms and universities.

　

Keywords