Outcomes of HIV-associated Burkitt Lymphoma in Brazil: High treatment toxicity and refractoriness rates - A multicenter cohort study - Silva, Wellington F. da; Garibaldi, Pedro Manoel Marques; Rosa, Lidiane Ines da; Bellesso, Marcelo; Cle, Diego Villa; Delamain, Marcia Torresan; Rego, Eduardo Magalhaes; Pereira, Juliana; Rocha, Vanderson Geraldo (Leukemia research, 2020)