Nygaard, U. et al. 2013. Remitting Seronegative Symmetrical Synovitis with Pitting Oedema (RS3PE) of Hands and Feet in an 83-year-old Man. Acta Dermato-Venereologica. 93, 4 (Jan. 2013), 491–492. DOI:https://doi.org/10.2340/00015555-1521.