von Haehling, S.; Doehner, W.; Evertz, R.; Garfias-Veitl, T.; Diek, M.; Karakas, M.; Birkemeyer, R.; Fillippatos, G.; Ponikowski, P.; Böhm, M. Iron Deficiency in Heart Failure With Preserved Ejection Fraction: Rationale and Design of the FAIR-HFpEF Trial. Global Cardiol 2023, 1.