DOMAGAŁA, Kornelia; ZIÓŁEK, Małgorzata Anna; MAROSZEK, Magdalena; SZYMCZAK, Kamil; JANIK, Bartosz; BAKIER, Ariadna. PERIOPERATIVE RISK STRATIFICATION AND OPTIMIZATION IN ELDERLY SURGICAL PATIENTS: A REVIEW OF MODERN STRATEGIES AND BIOLOGICAL MARKERS IN THE ERA OF VALUE-BASED HEALTHCARE. International Journal of Innovative Technologies in Social Science, [S. l.], v. 5, n. 1(49), 2026. DOI: 10.31435/ijitss.1(49).2026.5189. Disponível em: https://rspublisher.org/index.php/ijitss/article/view/5189. Acesso em: 13 jun. 2026.