Effectiveness of Diaphragmatic Breathing Technique on Stress Reduction among Patients  with Acute Heart Failure: A Quasi-Experimental Study. Medical Forum Monthly, [S. l.], v. 37, n. 9, 2026. DOI: 10.60110/medforum.370907. Disponível em: https://medicalforummonthly.com/index.php/mfm/article/view/5931.. Acesso em: 1 oct. 2026.