Katsoula, Christina, Ioannis Vasileiadis, Christina Routsi, Serafeim Nanas, and Eleftherios Karatzanos. 2022. “The Benefits of Inspiratory Muscle Training in Heart Failure Patients – A Systematic Review”. Health & Research Journal 8 (3):242-66. https://doi.org/10.12681/healthresj.28185.