Del Rio-Pertuz, G., Leelaviwat, N., Mitchel Devolder, Argueta, E. and Nugent, K. (2026) “The correlation between brain natriuretic peptide levels and six-minute walk distances in patients with heart failure with a preserved ejection fraction”, The Southwest Journal of Medicine, 14(60 - July). doi: 10.12746/swjm.v14i60.1677.