So there is concern that we have expressed, and we'll continue to raise with other countries in the region.

VOA: standard.2009.09.15

Recent studies reflect growing concern in the medical community about the risks associated with large amounts of radiation given to patients.

VOA: standard.2010.01.30

There is concern in Seoul that Pyongyang's insistence on holding bilateral talks with Washington could drive a wedge between the U.S.and South Korea.

VOA: standard.2009.12.08

(OMITTED) A lawyer from nearby Maryland, who did not want to give his name, engaged in an impromptu debate with Tea Party supporters and later expressed concern about some of their rhetoric.

VOA: standard.2010.04.15

But amid all the congratulations, diplomats and observers noted with concern that in the end, only five heads of state were on hand for the summit, and only 17 of the 53 AU member states were prepared to sign the final document.

VOA: standard.2009.10.23