The effect of preoperative anxiety on post-operative pain in patients undergoing elective surgery. Pakistan Journal of Medical & Cardiological Review, [S. l.], v. 4, n. 1, p. 230–236, 2025. Disponível em: https://pakjmcr.com/index.php/1/article/view/1665. Acesso em: 16 aug. 2026.