Total Pectoral Muscle Area and Prognostic Nutritional Index Provide Complementary Prognostic Information for Patients Hospitalized with HFmrEF/HFrEF - Çetin Alak; Hasan Emin Kaya; Fazıl Çağrı Hunutlu; Muhammed Batuhan Daştan; Zeynep Kumral; Tunay Şentürk (Journal of Clinical Medicine, 2026)