Time estimation and time perceiving in patients receiving intravenous anaesthesia for endoscopic procedures. Journal of Medical Science, Poznań, Poland, v. 84, n. 2, p. 71–77, 2015. DOI: 10.20883/medical.e19. Disponível em: https://horkruks.ump.edu.pl/index.php/JMS/article/view/19. Acesso em: 18 aug. 2025.