Three papers have been recently published in print with a wrong DOI. Correct references are now presented below:
1. Chamuleau MED, van de Loosdrecht AA, Hess CJ, Janssen JJWM, Zevenbergen A, Delwel R, Valk PJM, Löwenberg B, Ossenkoppele GJ, High INDO. (indo-leamine 2,3-dioxygenase) mRNA level in blasts of acute myeloid leukemic patients predicts poor clinical outcome. Haematologica. 2008;93:1894–1898. doi: 10.3324/haematol.13112.
2. Meloni G, Mancini M, Gianfelici V, Martelli MP, Foa R, Falini B. Late relapse of acute myeloid leukemia with mutated NPM1 after eight years: evidence of NPM1 mutation stability. Haematologica. 2009;94:298–300. doi: 10.3324/haematol.000059.
3. Voskaridou E, Christoulas D, Xirakia C, Varvagiannis K, Boutsikas G, Bilalis A, Kastritis E, Papatheodorou A, Terpos E. Serum Dickkopf-1 is increased and correlates with reduced bone mineral density in patients with thalassemia-induced osteoporosis. Reduction post-zoledronic acid administration. Haematologica. 2009;2008;94:725–728. 000893. doi: 10.3324/haematol.