von Haehling S, Doehner W, Evertz R, Garfias-Veitl T, Diek M, Karakas M, et al. Iron deficiency in heart failure with preserved ejection fraction: rationale and design of the FAIR-HFpEF trial. Global Cardiol [Internet]. 2023 Dec. 27 [cited 2025 Mar. 11];1(1). Available from: https://www.globalcardiology.info/site/article/view/15