1. Fordyce, W.E., Fowler, R.S., Lehman, J.F., and De Lateur, B.J. 1973. Operant conditioning in the treatment of chronic pain. Arch. Phys. Med. Rehab. 54:399–408.
2. Gottlieb, H., Strite, L.C., Koller, R., et al. 1977. Comprehensive rehal»litation of patients having low back pain. Arch. Phys. Med. Rehab. 58:101–108.
3. Hays, W.L. 1963. Statistics. New York: Holt, Rhinehart, & Winston.
4. Lack, D.Z. 1979. Multidisciplinary treatment of chronic pain in a conmiunity hospital: A follow-up report. Presented at First Annual Meeting, American Pain Society, New York, Sept.
5. Meichenbaum, D., and Turk, D. 1976. The cognitive-behavioral management of anxiety, anger, and pain. In The Behavioral Management of Anxiety, Depression, and Pain, P.O. Davidson (Ed.). New York: Brunner-Mazel.