REFERENCES
- Bailey, H.: Demonstrations of Physical Signs in Clinical Surgery. Ed. 12. Baltimore, Williams & Wilkins Company, 1954.
- Lockie, L. M.: Examination of the Arthritic Patient. In Hollander, J. L. (Editor): Arthritis and Allied Conditions: A Textbook of Rheumatology. Ed. 6. Philadelphia, Lea & Febiger, 1960, p. 39.
- Kellgren, J. H.: Personal communication.
- Bywaters, E. G. L.: Personal communication.
- Wood, P.: Personal communication.