''''Science Daily - A novel type of contrast-enhanced magneticresonance (MR) angiography is highly accurate in identifying blockages in the arteries that carry blood to the brain, according to a study in the February issue of Radiology. Contrast-enhanced ...'
If an elderly but distinguished scientist says that something is
possible he is almost certainly right, but if he says that it is impossible
he is very probably wrong. - Arthur C. Clarke