Comment on

• Comparative study of intra-articular pressure dynamics in joints with acute traumatic and chronic inflammatory effusions: potential implications for hypoxic-reperfusion injury.

  Merry P, Williams R, Cox N, King JB, Blake DR. Merry P, et al. Ann Rheum Dis. 1991 Dec;50(12):917-20. doi: 10.1136/ard.50.12.917. Ann Rheum Dis. 1991. PMID: 1768160 Free PMC article.
• Intra-articular pressure changes in rheumatoid and normal peripheral joints.

  Gaffney K, Williams RB, Jolliffe VA, Blake DR. Gaffney K, et al. Ann Rheum Dis. 1995 Aug;54(8):670-3. doi: 10.1136/ard.54.8.670. Ann Rheum Dis. 1995. PMID: 7677444 Free PMC article.
• Effect of three animal models of inflammation on nerve fibres in the synovium.

  Mapp PI, Walsh DA, Garrett NE, Kidd BL, Cruwys SC, Polak JM, Blake DR. Mapp PI, et al. Ann Rheum Dis. 1994 Apr;53(4):240-6. doi: 10.1136/ard.53.4.240. Ann Rheum Dis. 1994. PMID: 8203952 Free PMC article.
• Hydroxyl radical generation by rheumatoid blood and knee joint synovial fluid.

  Kaur H, Edmonds SE, Blake DR, Halliwell B. Kaur H, et al. Ann Rheum Dis. 1996 Dec;55(12):915-20. doi: 10.1136/ard.55.12.915. Ann Rheum Dis. 1996. PMID: 9014586 Free PMC article.
• Effect of intensive exercise on patients with active rheumatoid arthritis: a randomised clinical trial.

  van den Ende CH, Breedveld FC, le Cessie S, Dijkmans BA, de Mug AW, Hazes JM. van den Ende CH, et al. Ann Rheum Dis. 2000 Aug;59(8):615-21. doi: 10.1136/ard.59.8.615. Ann Rheum Dis. 2000. PMID: 10913058 Free PMC article. Clinical Trial.