It takes place every two years, and organizers say even with the economic downturn they expect a "full house."
VOA: special.2009.06.13
It takes place in two thousand one shortly after the terrorist attacks on America.
VOA: special.2010.01.01
The problem? It often takes more than two months to diagnose MDR-TB.
VOA: standard.2010.07.12
On the other side of town, scientists are working on a genetic test they hope will cut the time it takes to diagnose MDR-TB from 70 days to two days.
VOA: standard.2010.07.12
应用推荐