The studies also appear to show that environmental causes such as viruses or bacteria may be involved.

VOA: special.2009.01.06

"...amongst older patients who receive adjuvant chemotherapy, they appear to be tolerating the treatment as well as younger patients who receive the treatment."

VOA: standard.2010.03.18

We think it is just too pessimistic." But Republicans in Congress appear united in their opposition to the president's budget as it now stands.

VOA: standard.2009.03.22