ACR Criteria for the Classification of Hypersensitivity Vasculitis

Three of the following five criteria were required to meet American College of Rheumatology (ACR) classification criteria for hypersensitivity vasculitis:

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Names and definitions of vasculitis adopted by the Chapel Hill Consensus Conference

Names and definitions of vasculitis adopted by the Chapel Hill Consensus Conference on the nomenclature of systemic vasculitis

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