WICHAPONG, R. Perfusion index as a predictor of hypotension after Propofol induction of general anesthesia in elderly patients undergoing elective surgery. Journal of Medicine and Health Sciences, [S. l.], v. 31, n. 1, p. 45–55, 2024. Disponível em: https://he01.tci-thaijo.org/index.php/jmhs/article/view/268550. Acesso em: 10 oct. 2026.