TY - BOOK ED - WHO Scientific group on the Treatment of Psychatric Disorders ED - World Health Organisation. TI - Evaluation methods for the treatment of mental disorders: : a repor t of a WHO scientific group SN - 9241208120 SN - 0512-305 PY - 1991/// CY - Geneva : PB - World Health Organisation , KW - Mental Disorders KW - therapy KW - Evaluation studies N1 - Includes Bibliographical references ER -