References – Arthritis Pain Gone in 7 Days

2. Ruff KJ, Winkler A, Jackson RW, Devore DP, Ritz BW. Eggshell membrane in the treatment of pain and stiffness from osteoarthritis of the knee: a randomized, multicenter, double-blind, placebo-controlled clinical study. Clin Rheumatol. 2009;28(8):907-14. 3. Ruff KJ, Winkler A, Jackson RW, Devore DP, Ritz BW. Eggshell membrane in the treatment of pain and stiffness from osteoarthritis of the knee: a randomized, multicenter, double-blind, placebo-controlled clinical study. Clin Rheumatol. 2009;28(8):907-14.