The difference between what Americans sell to other countries and what they buy from abroad reached almost $50 billion, its highest figure since late 2008.

VOA: standard.2010.08.11

"And the way that we make up the difference for what those uninsured patients cost in terms of the cost of their care, is that we have to utilize the excess of revenues over expenses or the profits we generate from patients who have insurance."

VOA: standard.2010.02.25

Some want an independent review. And the trial's researchers, like Dr.Nelson Michael, of the Walter Reed Institute of Research in the United States, say it's unclear what difference the findings will make for areas like Africa where rates of HIV/AIDS are much higher than among the test population and where there are many strains of the virus.

VOA: standard.2009.10.20