Comment on

• Supervised fitness walking in patients with osteoarthritis of the knee. A randomized, controlled trial.

  Kovar PA, Allegrante JP, MacKenzie CR, Peterson MG, Gutin B, Charlson ME. Kovar PA, et al. Ann Intern Med. 1992 Apr 1;116(7):529-34. doi: 10.7326/0003-4819-116-7-529. Ann Intern Med. 1992. PMID: 1543305 Clinical Trial.
• Weight loss reduces the risk for symptomatic knee osteoarthritis in women. The Framingham Study.

  Felson DT, Zhang Y, Anthony JM, Naimark A, Anderson JJ. Felson DT, et al. Ann Intern Med. 1992 Apr 1;116(7):535-9. doi: 10.7326/0003-4819-116-7-535. Ann Intern Med. 1992. PMID: 1543306