FDA Talk Paper (http://www.fda.gov/bbs/topics/ANSWERS/2005/ANS01350.html)(2005).
Finkel SI, Costa e Silva J, Cohen G, Miller S, et al.: Behavioral and psychological signs and symptoms of dementia; A consensus statement on current knowledge and implications for research and treatment. Int Psychogeriatr, 8〔Suppl. 3〕: 497-500(1996).