Authors: D T Felson; J J Anderson; M Boers; C Bombardier; M Chernoff; B Fried; D Furst; C Goldsmith; S Kieszak; R Lightfoot Journal: Arthritis Rheum Date: 1993-06
Authors: P Barrera; L A Joosten; A A den Broeder; L B van de Putte; P L van Riel; W B van den Berg Journal: Ann Rheum Dis Date: 2001-07 Impact factor: 19.103