RT Journal Article SR Electronic T1 Henoch-Schönlein Purpura and Cutaneous Leukocy-Toclastic Angiitis Exhibit Different HLA-DRB1 Associations JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP SII-90 OP SII-90 VO 69 IS 4 suppl 2 A1 Amoli, MM A1 Thomson, W A1 Hajeer, AH A1 Calviño, MC A1 Garcia-Porrua, C A1 Ollier, WER A1 Gonzalez-Gay, MA YR 2002 UL http://www.ccjm.org/content/69/4_suppl_2/SII-90.abstract AB