W Barcellini, E Fermo, F Guia Imperiali, A Zaninoni, P Bianchi, C Boschetti, A Zanella. Increased resistance of PIG-A- bone marrow progenitors to tumor necrosis factor a and interferon gamma: possible implications for the in vivo dominance of paroxysmal nocturnal hemoglobinuria clones. Haematologica 2004;89(6):651-656; https://doi.org/10.3324/%x.