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Obladen, Michael and Maier, R. and Segerer, Hugo and Grauel, E. L. and Holland, B. M. and Stewart, G. C. and Jorch, G. and Rabe, H. and Linderkamp, O. and Hoffmann, H. G. (1991) Efficacy and safety of recombinant human erythropoietin to prevent the anaemias of prematurity. European Randomized Multicenter Trial. Contributions to nephrology 88, pp. 314-326.