Adeberg, Sebastian, Denise Bernhardt, Semi Ben Harrabi, Nils Nicolay, Juliane Rieber, Laila Koenig, Michael Repka, Angela Mohr, Amir Abdollahi, Klaus-Josef Weber, Juergen Debus, and Rieken Stefan. “Metformin Enhanced in Vitro Radiosensitivity Associates With G2/M Cell Cycle Arrest and Elevated PAMPK Levels in Glioblastoma”. Radiology and Oncology 51, no. 4 (November 27, 2017). Accessed April 19, 2021. https://radioloncol.com/index.php/ro/article/view/2777.