1. Nimh (1992), ‘You Are Not Alone’, Department of Health and Human Services Publication Number (ADM) 92-1178.
2. PHS Publication,1964
3. Silver LB ( 1984) Foreword. In: The Neuroscience of Mental Health, National Institutes of Health, Alcohol, Drug Abuse, and Mental Health Administration. U.S. Department of Health and Human Services , Publication Number (ADM) 89-1363, p. iii.