Authors: A C Kennedy; R F Allam; P J Rooney; M E Watson; A Fairney; K D Buchanan; C J Hillyard Journal: Ann Rheum Dis Date: 1979-10 Impact factor: 19.103
Authors: S H Ralston; W D Fraser; J Jankowski; I M Richards; R A Cowan; H A Capell; R D Sturrock Journal: Ann Rheum Dis Date: 1990-01 Impact factor: 19.103