1. Dysthymic disorder: psychopathology of proposed chronic depressive subtypes;Akiskal;Amer. J. Psychiat.,1983
2. Controlled trial of imipramine for chronic low back pain;Alcoff;J. fam. Pract.,1982
3. Diagnostic and Statistical Manual of Mental Disorders;American Psychiatric Association,1968
4. Diagnostic and Statistical Manual of Mental Disorders;American Psychiatric Association,1980
5. Doxepin as an adjunct in the treatment of chronic pain;Aronoff;J. clin. Psychiat.,1982