Open Access Research

Increased betulinic acid induced cytotoxicity and radiosensitivity in glioma cells under hypoxic conditions

Matthias Bache*, Martin P Zschornak, Sarina Passin, Jacqueline Keßler, Henri Wichmann, Matthias Kappler, Reinhard Paschke, Goran N Kaluđerović, Harish Kommera, Helge Taubert and Dirk Vordermark

Radiation Oncology 2011, 6:111  doi:10.1186/1748-717X-6-111

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