Congenital dyserythropoietic anemia type II: epidemiology, clinical appearance, and prognosis based on long-term observation Hermann Heimpel, Volker Anselstetter, Ladislav Chrobak, Jonas Denecke, Beate Einsiedler, Kerstin Gallmeier, Antje Griesshammer, Thorsten Marquardt, Gritta Janka-Schaub, Martina Kron, and Elisabeth Kohne.

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