E Biagi, G Assali, F Rossi, M Jankovic, B Nicolini, A Balduzzi. A persistent severe autoimmune hemolytic anemia despite apparent direct antiglobulin test negativization. haematol [Internet]. 1999Nov.1 [cited 2024May2];84(11):1043-5. Available from: https://haematologica.org/article/view/1519