1.   Another version of this exercise uses gravity to work against your splayed legs.

2.   Cross the ankles, then try to pull the legs apart, using the strength from the legs to work against themselves.

3.   Although a handful of drugs still work against resistant strains, the failure of initial treatment allows infected individuals to continue transmitting the disease to their sexual partners.

4.   And anyway, he added, the seasonal wind currents work against China, too.

5.   And lobbying by trial lawyers, the drug industry, insurers, physicians, hospitals and consumer groups work against fundamental change.

6.   Anyone who saw Nash at work against defending national champion UCLA on Monday night in the Maui Invitational would have to agree.

7.   As a nucleotide, may work against virus resistant to nucleosides.

8.   At the time, Egan was serving in nursing homes for AIDS patients and continuing his work against addiction.

9.   Because of my work against them, they have tried to kill me.

10.   After cruising through the early rounds, Agassi was forced to work against Nestor, who used a strong serve to keep the match close.