1. Diagnostic and Statistical Manual of Mental Disorders;American Psychiatric Association,1987
2. Diagnostic and Statistical Manual of Mental Disorders;American Psychiatric Association,1994
3. A clinical study on mental disorder associated with “Falungong.”;Chan;J Clin Psychol Med,2000
4. A controlled comparison of hysteria-like episodes induced by qigong and hysteria with psychosocial stress;Chan;Chin J Nerv Ment Dis,1992
5. A study of the clinical phenomenology of mental disorders induced by qigong;Chan;Chin J Nerv Ment Dis,1987