Combining two effective siRNAs did not show synergistic inhibitory effect on HIV-1 replication.
The government has found two effective ways of allaying criticism of its scheme.
To concoct "Bette and Boo," Mr. Durang cross-bred two effective genres, the memory play and the comedy sketch.
The Shaper (the ardent tenor Richard Croft), a blind old harpist who sings of Hrothgar's reign, has two effective scenes.
There are two effective ways to reduce volatility in commodity prices, though both are beyond the control of market regulators.
The Diamondbacks, however, know they need more than two effective, albeit dominant, starters, and they keep searching.
But we believe that the future of the world requires more than one or two effective science reporters.
This indicates that ETA now has two effective units operating at once, far from its bases in the Basque country, for the first time in several years.
They each have a quarterback compiling a career season, a controversial wide receiver who wears No. 81, two effective running backs, and game-changing tight ends.
Fifteen years ago, any star like Brown hoping to get their message out to the public was faced with two effective options.
Boehringer-Ingelheim, which makes nevirapine, the cheaper and easier to use of the two effective drugs, gives it away in many poor countries.
