Sugiura, K., Muro, Y. and Akiyama, M. (2013) “Annular Erythema Associated with Sjögren’s Syndrome Preceding Overlap Syndrome of Rheumatoid Arthritis and Polymyositis with Anti-PL-12 Autoantibodies”, Acta Dermato-Venereologica, 94(4), pp. 470–471. doi: 10.2340/00015555-1744.