Domiciliary exercise intervention with the vivifrail program in very elderly fragile heart failure with reduced ejection fraction patients: A randomized controlled pilot trial (ExFRAIL-HF)
Long-term prognostic value of baseline measurements and change over time of 6-minute walk test in patients with heart failure - A secondary analysis from the HF-Wii study
The complementary role of respiratory muscle strength to lower extremity function in predicting exercise intolerance in older patients with heart failure