He says those studies showed no real difference when a used pacemaker was compared to a new one.

VOA: special.2010.06.29

The researchers compared these retinal images with pictures taken five years later when the women were eighty-three.

VOA: special.2010.03.09

continues to be a celebration of the profound change in this hemisphere as compared to many periods in the past when the hemisphere was marked by undemocratic governments.

VOA: standard.2009.04.15

The minimum wage is relatively high compared to the wage in France so it's a barrier when you don't have any qualifications and when you start your career."

VOA: standard.2009.11.12

In fact,U.S.and NATO military commanders say insurgent violence rose nearly 60 percent between the first six months of this year, compared to last year the highest level of violence since 2001 when the Taliban government was ousted by US.led forces.

VOA: standard.2009.06.15