WASHINGTON (Reuters) - Routine use of costly X-ray, MRI and CT scans on patients with lower back pain may be unnecessary and, in the case of two of the tests, expose people to low-dose radiation, researchers said on Thursday.
WASHINGTON (Reuters) - Routine use of costly X-ray, MRI and CT scans on patients with lower back pain may be unnecessary and, in the case of two of the tests, expose people to low-dose radiation, researchers said on Thursday.