References & Further Reading
1. Ankylosing spondylitis: a review, P Helliwell, F Mahmoud, European
European Medical Journal November 2019
2. Drugs used to treat joint and muscle disease: L. de Gray, B. Seth
Journal of Anaesthesia and Intensive Care, December 11, 2020
3. Guide to Laboratory Testing in Patients with Suspected Rheumatic Disease
Goldenberg D, Volume 17, Issue #7 Practical Pain management
4. Ankylosing Spondylitis: Radiopaedia, D Bell, F Gaillard.