欧美a视频在线观看-欧美bbww-欧美bbwxxxx-欧美freexx-亚洲国产剧情在线-亚洲国产剧情在线精品视

U.S. FDA seeks ideas for nanotech use in livestock feed
date:Jun 27, 2014
ssess each product on its own merits and are not making broad, general assumptions about the safety of nanotechnology products, FDA Commissioner Margaret Hamburg said in a statement.

The agency rolled out three nanotechnology final guidelines for other products it regulates this week. The agency will take public comments from now through Sept. 10 on the draft guidance for animal feeds.

03/06 22:15