TANZEELA FIRDOUS, ALI KASHIF, SAHIRA NAWAZ KHAN, AYESHA WAQAR, SUFYAN ALI, SUMAYYA TARIQ. Compare the Mean Non Hypoxic Apnea Duration of 20° Head up with Conventional Supine Position during Pre-oxygenation in Patients Undergoing Elective Surgery. Pakistan Journal of Medical & Health Sciences, [S. l.], v. 16, n. 07, p. 397, 2022. DOI: 10.53350/pjmhs22167397. Disponível em: https://pjmhsonline.com/index.php/pjmhs/article/view/2071. Acesso em: 17 jul. 2024.