Then the team replaced ten genes with four sequences, or four sets,of organized DNA.
VOA: special.2010.07.20
"The problem with resistance means that we might be facing a situation where our currently, mostly susceptible epidemic is replaced in a decade or two by mostly multi-drug resistant disease,".
VOA: standard.2009.12.09
"we would be forced to buy power that we don't need and idle existing generation or have hydro that is very cost effective -- very cheap,actually -- being replaced by very expensive power."
VOA: standard.2010.03.23
And so if that's not going to produce benefit, what sorts of replacements might?" Mozaffarian's study found that people who replaced saturated fat with polyunsaturated fat had about a 20 percent lower risk of heart attack or other heart disease.
VOA: standard.2010.03.25
应用推荐