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Heilmann HP, Arnal ML, Bünemann H, Calavrezos A, Engel J, Franke HD, Hain E, Jüngst G, Kohl FV, Koschel G, Seysen U, von Wichert P.Heilmann HP, et al.Strahlentherapie. 1983 Mar;159(3):152-5.Strahlentherapie. 1983.PMID: 6301110Clinical Trial.German.