亚洲最大福利网站_4hu四虎永久网址_麻豆国产原创_国产成人av一区二区

Vaccinating cow against E. coli bacteria could cut human infections by 85 pct
date:Sep 17, 2013
s disease, they wrote in their paper.

While more work is needed to calculate the cost of a vaccination program, the public health justification must be taken seriously, lead author Louise Matthews of the University of Glasgow said in a statement.

12/23 09:35