Epigenetic Regulation of the Promotor Region of Vascular Endothelial Growth Factor-A and Nerve Growth Factor in Opioid-Maintained Patients. - Groh, Adrian; Jahn, Kirsten; Burkert, Alexandra; Neyazi, Alexandra; Schares, Laura; Janke, Eva; Rehme, Marie; Schuster, Rilana; Hillemacher, Thomas; Bleich, Stefan; Frieling, Helge; Heberlein, Annemarie (European Addiction Research, 2017)