Clinicopathologic correlation of 282 leukocytoclastic vasculitis cases in a tertiary hospital: a focus on direct immunofluorescence findings at the blood vessel wall - Takatu, Caroline Maris; Heringer, Antonio Pedro Ribeiro; Aoki, Valéria; Valente, Neusa Yuriko Sakai; Sanchez, Paula Cristina de Faria; Carvalho, Jozélio Freire de; Criado, Paulo Ricardo (Immunol Res, 2017)