1. Impact of closed loop stimulation on prognostic cardiopulmonary variables in patients with chronic heart failure and severe chronotropic incompetence: a pilot, randomized, crossover study. Issue 11 (13th May 2021) Authors: Proff, Joachim; Merkely, Béla; Papp, Roland; Lenz, Corinna; Nordbeck, Peter; Butter, Christian; Meyerhoefer, Juergen; Doering, Michael; MacCarter, Dean J; Ingel, Katharina; Thouet, Thomas; Landmesser, Ulf; Roser, Mattias J Journal: Europace Issue: Volume 23:Issue 11(2021) Page Start: 1777 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗