Mukhtyar C, Guillevin L, Cid MC, Dasgupta B, DeGroot K, Gross W, Hauser T, Hellmich B, Jayne D, Kallenberg CGM, Merkel PA, Raspe H, Salvarani C, Scott DGI, Stegeman C, Watts R, Westman K, Witter J, Yazici H, Luqmani R  ANN RHEUM DIS. 2009; 68: 310-317. IF: 7.188