Frequency of Psychological Changes in Surgical Patients: A Prospective Cross-Sectional Multi-Center Study. Sial Journal of Medical Sciences , [S. l.], v. 4, n. 3, 2026. DOI: 10.60127/sjms.4.3.2026.93. Disponível em: https://www.sialjournal.com/index.php/sjms/article/view/93. Acesso em: 27 feb. 2026.