REFERENCES
- Knapp, M. E.: Physical medicine and rehabilitation. Lecture 13. Rheumatoid arthritis. Postgrad Med 42: A-99 (November) 1967.
- Knapp, M. E.: Practical physical medicine and rehabilitation. Lecture 9. Low back pain. Part 2. Treatment. Postgrad Med 41: A-131 (March) 1967.
- Knapp, M. E.: Practical physical medicine and rehabilitation. Lecture 10. Shoulder disabilities, part 2. Postgrad Med 41: A-117 (June) 1967.