title: Controversies in Alzheimer's disease drug development.
mesh_terms: D000368:Aged; D000544:Alzheimer Disease / Q000188:drug therapy* / Q000503:physiopathology; D002986:Clinical Trials as Topic; D004358:Drug Therapy / Q000639:trends*; D006801:Humans; D055825:National Institute of Neurological Disorders and Stroke (U.S.); D012107:Research Design; D014481:United States