Ubiquitin‐proteasome‐system and enzymes of energy metabolism in skeletal muscle of patients with HFpEF and HFrEF oleh Volker Adams, Sebastian Wunderlich, Norman Mangner, Jennifer Hommel, Katrin Esefeld, Stephan Gielen, Martin Halle, Øyvind Ellingsen, Emeline M. Van Craenenbroeck, Ulrik Wisløff, Burkert Pieske, Axel Linke, Ephraim B. Winzer