Anti-TNF-therapy-induced leukocytoclastic vasculitis: a rare complication in IBD patients - Parra, Rogério Serafim; Chebli, Julio; Chebli, Liliana; Lima Junior, Sérgio; Neto, Manoel; Medeiros, Terry; Faria, Francesca Maia; Feitosa, Marley Ribeiro; Féres, Omar; Rocha, José Joaquim Ribeiro da (The American Journal of Gastroenterology, 2020)