PREVALENCE OF POSTOPERATIVE COGNITIVE DYSFUNCTION IN ELDERLY PATIENTS UNDERGOING ELECTIVE NEUROSURGICAL PROCEDURES: A CROSS-SECTIONAL STUDY. Axis Journal of Scientific Innovations, [S. l.], v. 2, n. 2, p. 36–44, 2025. Disponível em: https://jsi.axisacademics.com/index.php/public_html/article/view/20. Acesso em: 16 feb. 2026.