http://phys.org/ en-us Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. IOS Press announced the publication of a landmark study in which both traditional and highly-innovative scientometric approaches are employed to measure scientific productivity and impact of the top 100 Alzheimer's disease (AD) investigators. The article appears in the March 2009 issue of the Journal of Alzheimer's Disease. http://phys.org/news155845789.html Medicine & Health Mon, 09 Mar 2009 19:30:30 EST news155845789