[1]
S. D. Helander, F. R. De Castro, and L. E. Gibson, “Henoch-Schönlein purpura: clinicopathologic correlation of cutaneous vascular IgA deposits and the relationship to leukocytoclastic vasculitis”., Acta Derm Venereol, vol. 75, no. 2, pp. 125–129, Mar. 1995.