Efficacy and Safety of Lung Volume Reduction with Endobronchial Coil #2 and Coil #4 Results of the German Emphysema Registry—Lungenemphysemregister e.V. - Grah, Christian; Oei, Shiao Li; Krist, Joanna; Wiesemann, Björn; Schmidt, Bernd; Fertl, Andreas; Schwick, Björn; Hübner, Ralf-Harto; Becke, Birgit; Franke, Karl-Josef; Geltner, Christian; Eisenmann, Stephan; et al. (COPD: Journal of Chronic Obstructive Pulmonary Disease, 2025)