1. Cram, J. R. (1986).Clinical EMG: Muscle scanning and diagnostic manual for surface recordings. Seattle: Clinical Resources.
2. Cram, J. R., & Cahn, T. S. (1988). EMG muscle scanning: A diagnostic procedure for back pain.Pain Management Practice, 1 29?39.
3. Cram, J. R., & Engstrom, D. (1986). Patterns of neuromuscular activity in pain and non-pain patients.Clinical Biofeedback and Health.9(2), 106?116.
4. Cram, J. R., & Freeman, C. F. (1985). Specificity in EMG biofeedback treatment of chronic pain patients.Clinical Biofeedback and Health, 8(2), 101?108.
5. Cram, J. R., & Steger, J. C. (1983). EMG scanning in the diagnosis of chronic pain.Biofeedback and Self-Regulation, 8 229?241.