Absence of Schizophrenia in a 15th-Century Islamic Medical TextbookSABUNCUOGLU, OSMAN M.D.ISMAIL, NAHEEDA M.D.Author informationIstanbul, TurkeyAmerican Journal of Psychiatry 164(7):p 1120-1121, July 2007.Copyright © 2007 American Psychiatric Association.