Functional lung MRI during tachypnea detects changes in regional ventilation after dual bronchodilator treatment in COPD - Müller, Robin; Voskrebenzev, Andreas; Klimeš, Filip; Klein, Marius; Wacker, Frank; Vogel-Claussen, Jens; Hohlfeld, Jens (Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition, 2026)