http://www.voanews.com/mediaassets/specialenglish/2009_10/audio/Mp3/se-ed-med-journals-part-2-8oct09_0.Mp3 'Ghost' and 'Guest' Authors Still a Concern for Medical Journals http://www.voanews.com/specialenglish/2009-10-08-voa1.cfm?renderforprint=1 2009-10-07 http://www.voanews.com/voanews_shared/images/widgetBarIcon.png