11.   The PBMs represent managed care companies and attempt to lower costs for all concerned using drugs from a wide variety of companies, they said.

12.   Using drugs in combination can sometimes overcome resistance, and so penicillin can still be used along with other antibiotics.

13.   Police forensic scientist Lothar Neethling testified Thursday that Basson researched using drugs confiscated by police as a method of riot control.

14.   Christie, who is virtually retired but still competes occasionally and is in great physical shape, denied ever using drugs.

15.   Griffith Joyner had been shadowed by speculation about use of banned substances, but she never failed a drug test and denied ever using drugs.

16.   Griffith Joyner had been shadowed through her career by speculation about use of banned substances, but she never failed a drug test and denied ever using drugs.

17.   Griffith Joyner had been shadowed by speculation about use of banned substances, but she denied ever using drugs and never failed a drug test.

18.   He also said that those found using drugs would not be exposed to the media and added that the government would continue efforts to uncover and punish major traffickers.

19.   U.S. Army scientists who lead the effort say they believe using drugs already on hand rather than creating medicines from scratch will identify treatments to attack this awesome killer.

20.   Using drugs improperly to treat TB can quickly promote the evolution of bacteria that are impervious to these medicines.