Above: Dr. James Hendrix, a... Pictures

Above: Dr. James Hendrix, a radiologist at Mercy Hospital in Oklahoma City, talks about a computed tomography scan, or a CT scan.  Above right: A CT scanner at the hospital. Photos by Paul Hellstern, The Oklahoman
Above: Dr. James Hendrix, a radiologist at Mercy Hospital in Oklahoma City, talks about a computed tomography scan, or a CT scan. Above right: A CT scanner at the hospital. Photos by Paul Hellstern, The Oklahoman


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