The Mediating Role of Stress in the Relationship Between Self-Efficacy and Medication Adherence Among Patients with Heart Failure: A Cross-Sectional Study in the Aseer Region, Saudi Arabia. - Benjamin LS; Alalyani M; Maestrado R; Alreshidi AN; Alotni MA; Alatawi NAH; Chellathurai A; Gonzales A; Dominguez AJ; Ahmed KE; Asiri SAM (Healthcare (Basel, Switzerland), 2026)