Authors: M Backhaus; G R Burmester; T Gerber; W Grassi; K P Machold; W A Swen; R J Wakefield; B Manger Journal: Ann Rheum Dis Date: 2001-07 Impact factor: 19.103
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Authors: A K Scheel; W A Schmidt; K-G A Hermann; G A Bruyn; M A D'Agostino; W Grassi; A Iagnocco; J M Koski; K P Machold; E Naredo; H Sattler; N Swen; M Szkudlarek; R J Wakefield; H R Ziswiler; D Pasewaldt; C Werner; M Backhaus Journal: Ann Rheum Dis Date: 2005-01-07 Impact factor: 19.103