- Original Articles Rheumatology Sleep quality in rheumatoid arthritis, and its association with disease activity in a Korean population
- Chang-Nam Son, Go Choi, So-Yeon Lee, Ji-Min Lee, Tae-Han Lee, Hye-Jin Jeong, Chang-Gyu Jung, Ji-Min Kim, Yong-Won Cho, Sang-Hyon Kim
- Korean J Intern Med. 2015;30(3):384-390.