1. Resnick, D. & Niwayama, G. Diagnosis of Bone and Joint Disorders 2nd edn (Saunders, Philadelphia, 1989).
2. Rothschild, B. M. & Martin, L. Paleopathology: Disease in the Fossil Record (CRC, London, 1993).
3. Rothschild, B. M. & Heathcote, G. M. Am. J. Phys. Anthropol. 98, 519–525 (1995).
4. Larsen, P. L. J. Vert. Paleontol. 11, 41A–42A (1991).
5. McCarty, D. J. Arthritis and Allied Conditions: A Textbook of Rheumatology (Lea and Febiger, Philadelphia, 1989).