Rozin, A.P., Pruzansky, J., Edoute, Y. and Balbir-Gurman, A. 2010. Serum sodium/potassium ratio in patients with rheumatoid arthritis and osteoarthritis. Rheumatology Reports. 2, 1 (Jul. 2010), e5. DOI:https://doi.org/10.4081/rr.2010.e5.