Sentences with phrase «controversial studies involving»

Not exact matches

Colon cancer test Non-invasive, virtual colonoscopies — which involve a CT scan of the lower body — are as effective as standard colonoscopies at detecting large and medium - size polyps that can lead to colon cancer, according to the largest and most definitive study to date on the controversial technology.

A federal watchdog office has dismissed allegations that last year National Institutes of Health (NIH) officials improperly interfered with another federal office's oversight of the ethics of a controversial NIH - funded study involving premature infants.