RT Journal Article SR Electronic T1 ANCA subsets: Influence on disease phenotype JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP SII-56 OP SII-59 VO 69 IS 4 suppl 2 A1 Ulrich Specks YR 2002 UL http://www.ccjm.org/content/69/4_suppl_2/SII-56.abstract AB