PTPN22 R620W minor allele is a genetic risk factor for giant cell arteritis

Susan Lester, Alex W. Hewitt, Carlee D. Ruediger, Linda Bradbury, Elisabeth De Smit, Michael D. Wiese, Rachel Black, Andrew Harrison, Graeme Jones, Geoffrey O. Littlejohn, Tony R. Merriman, Bain Shenstone, Malcolm D. Smith, Maureen Rischmueller, Matthew A. Brown, Catherine L. Hill