Authors: D E Furst; F C Breedveld; J R Kalden; J S Smolen; G R Burmester; J Sieper; P Emery; E C Keystone; M H Schiff; P Mease; P L C M van Riel; R Fleischmann; M H Weisman; M E Weinblatt Journal: Ann Rheum Dis Date: 2007-11 Impact factor: 19.103
Authors: Johanna M W Hazes; Pierre G Coulie; Vincent Geenen; Séverine Vermeire; Franck Carbonnel; Edouard Louis; Pierre Masson; Filip De Keyser Journal: Rheumatology (Oxford) Date: 2011-09-02 Impact factor: 7.580