And any argument between us would not cause me to lose heart or feel a sense of loss.

VOA: special.2010.07.11

A recent report in the journal Retrovirology found that xenotropic murine leukemia virus-related virus is not the cause of chronic fatigue syndrome.

VOA: special.2011.01.18

Still,a theory exists that amyloid plaques are an effect of the disease, not the cause.

VOA: special.2009.09.15

Scientists have believed that S.I.V.did not cause a similar immune system problem for primates.

VOA: special.2009.09.08

Massey Energy Company did not send a representative to the hearing, saying it was not a formal investigation into the cause of the explosion.

VOA: standard.2010.04.27

But he says it is cause for concern because it is a new strain, and people have not built up an immunity to it.

VOA: standard.2009.05.01

I do not believe we can come to simple conclusions when it comes to the cause and effects of such a complex disorder as autism."

VOA: standard.2010.08.09