Mitochondrial fatty acid oxidation is the major source of cardiac adenosine triphosphate production in heart failure with preserved ejection fraction. - Sun Q; Güven B; Wagg CS; Almeida de Oliveira A; Silver H; Zhang L; Chen B; Wei K; Ketema EB; Karwi QG; Persad KL; Vu J; et al. (Cardiovascular research, 2024)