But U.S.officials say many of those cartels have infiltrated American law enforcement agencies assigned to combat the drug trade.

VOA: standard.2010.03.11

The intensive care patients were then compared to elderly patients assigned to other hospital units or in the general Medicare population.

VOA: standard.2010.03.07

"And I am exactly aligned with General McChrystal, here to my right,in moving forward now to vigorously implement the assigned mission."

VOA: standard.2009.12.09

He says that volunteers like him are assigned to different jobs according to their skills.

VOA: standard.2009.12.30

To test various strategies, researchers randomly assigned participants to one of three groups.

VOA: standard.2010.07.30

The U.N.-backed forum is building on a decision by the body responsible for domains, the Internet Corporation for Assigned Names and Numbers, or ICANN, to allow Web site addresses in any language.

VOA: standard.2009.11.16

Pentagon Press Secretary Geoff Morrell says he sat in on a briefing for Defense Secretary Robert Gates on Monday, during which the U.S.brigadier general assigned to investigate the civilian casualties incident summarized his report.

VOA: standard.2009.06.08

In the new study, they randomly assigned patients to get AIDS medicines when their CD4 count hit 200, the standard procedure, or to get the antiretrovirals earlier, when their CD4 had only dropped to 350.

VOA: standard.2010.07.21

Earlier this month, five World Food Program employees were killed in a suicide blast in neighboring Pakistan, and last week a Pakistani officer assigned to a U.N.peacekeeping mission in Sudan was gunned down while on home leave in Islamabad.

VOA: standard.2009.10.28