Treatment of Pheochromocytoma Cells with Recurrent Cycles of Hypoxia: A New Pseudohypoxic In Vitro Model oleh Jana Helm, Stephan Drukewitz, Isabel Poser, Susan Richter, Markus Friedemann, Doreen William, Hermine Mohr, Svenja Nölting, Mercedes Robledo, Stefan R. Bornstein, Graeme Eisenhofer, Nicole Bechmann