Bibliography
- American Academy of Orthopaedic Surgeons. Method of Measuring and Recording Joint Motion. Chicago, American Academy of Orthopaedic Surgeons. 1965, The Committee for the Study of Joint Motion
- Cain A. Hamilton Bailey's Demonstrations of Physical Signs in Clinical Surgery, Baltimore, Williams and Wilkins. 1967
- Tachdjian M. O. Pediatric Orthopedics. Philadelphia, Saunders 1972