Massive autoimmune hemolysis documented by monocyte monolayer assay in a multiply transfused patient using reticulocytes isolated by simple centrifugation in microhematocrit tubes. Issue 7 (6th August 2018) - Conrado, Marina A.; Leão Bonifácio, Silvia; Nogueira, Felipe M.; Saraiva‐Filho, João Carlos P.; Dezan, Marcia Regina; Chinoca, Karen Z.; Gomes, Francisco; Fonseca, Guilherme H.; Gualandro, Sandra F.M.; Rocha, Vanderson; Mendrone‐Júnior, Alfredo; Dinardo, Carla Luana