RT Journal Article SR Electronic T1 Epidemiology of Vasculitis JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP SII-165 OP SII-171 VO 69 IS 4 suppl 2 YR 2002 UL http://www.ccjm.org/content/69/4_suppl_2/SII-165.abstract AB