91.   In recent years, powerful drug cocktails have subdued the virus to undetectable levels in many patients.

92.   Macedo said Arturo Guzman took control of a powerful drug syndicate headquartered in eastern Sinaloa state after his brother went to prison.

93.   Mexico also has seen a rise of powerful drug cartels that have worked together for years with their South American counterparts.

94.   Miss Allwood is receiving powerful drugs to stop her overstretched womb from contracting and delivering the remaining five fetuses prematurely.

95.   Ms. Bhutto has tried to portray her government as a moderate administration faced with threats from Islamic militants, a powerful drug mafia and archrival India.

96.   Ms. Bhutto, meanwhile, has tried to portray her government as a moderate administration faced with threats from Islamic extremists, a powerful drug mafia and archrival India.

97.   Mutant forms quickly arise through random genetic changes that are able to resist the most powerful drugs.

98.   Powerful new AIDS drugs in development should help relieve one of the biggest problems of treatment -- the pill burden.

99.   She has sought to portray her government as a tolerant, democratic administration faced with threats from Islamic extremists, a powerful drug mafia and archrival India.

100.   She has tried to portray her government as a moderate administration faced with threats from Islamic militants, a powerful drug mafia and archrival India.