January 2010
1 post
toefl speaking 6
contour /ailment /appreciable /tumor /conventional /
Traditional X-rays and innovative CT scanners both use X-ray radiation and rely on the same basic technology. In addition , they’re both used in medicine to check for illness or injury in the body. However, there are a number of important differences between them. X-rays take snapshots which are analyzed individually , but CT scans give...