http://www.almotamar.net صحيفة إلكترونية يومية تصدر عن حزب المؤتمر الشعبي العام (اليمن) http://www.almotamar.net/2894.htm 2007-06-27 Most people are surprised to learn that rigorous application of formal rules of evidence to evaluate medical research and decide on the best treatments is a recent phenomenon. They might be just as surprised to learn that health policy is not yet subject to the same approach.