RT Journal Article SR Electronic T1 Granuloma formation, implications for the pathogenesis of vasculitis JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP SII-40 OP SII-43 VO 69 IS 4 suppl 2 A1 Michael C. Sneller YR 2002 UL http://www.ccjm.org/content/69/4_suppl_2/SII-40.abstract AB