Intravenous IRON supplementation in Heart Failure with Preserved Ejection Fraction and iron deficiency (IRON-HFpEF): a comprehensive phase II multicentre placebo-controlled randomised clinical trial. - van de Bovenkamp AA; Nassiri S; de Man FS; Oosterveer FPT; Mourmans SGJ; van Raalte DH; Dijkmans PA; van Heerebeek L; van Empel VPM; Eringa EC; Bakermans AJ; Handoko LM (European journal of heart failure, 2026)