Tseng CC, Chang SJ*, Tsai WC, Ou TT, Wu CC, Sung WY, Hsieh MC, Yen JH. Increased Incidence of Amyotrophic Lateral Sclerosis in Polymyositis: A Nationwide Cohort Study. Arthritis Care Res (Hoboken). 2017 Aug;69(8):1231-1237. (SCI IF=3.319, RHEUMATOLOGY rank=12/30=0.4)