Massimo Breccia, Laura Cicconi, Clara Minotti, Roberto Latagliata, Laura Giannì and Francesco Lo-Coco (2011) “Efficacy of prolonged therapy with combined arsenic trioxide and ATRA for relapse of acute promyelocytic leukemia”, Haematologica. Pavia, Italy, 96(9), pp. 1390-1391. doi: 10.3324/haematol.2011.045500.