Kim You Jae, Park Young Soo, Koo Bon San, So Min Wook, Kim Yong-Gil, Lee Chang-Keun, Yoo Bin
Department of Internal Medicine, University of Ulsan College of Medicine, Seoul, South Korea.
J Clin Rheumatol. 2011 Dec;17(8):451-2. doi: 10.1097/RHU.0b013e31823ac028.