8Basler HD, Rehfisch HP. Cognitive-behavioral therapy in patients with ankylosing spondylitis in a German self-help organization. J Psychosom Res, 1991,35:345-354.
9Basler HD, Group treatment for pain and discomfort. Patient Educ Couns,1993,20 : 167-175.
10Darby PL, Schmidt PJ, Psychiatric consultations in rheumatology: a review of 100 cases, Can J Psychiatry,1988,33:290-293.