“Supplementum 254: SwissAnaesthesia 2021, Abstracts of the Joint Annual Congress of the Swiss Society for Anaesthesiology and Resuscitation and the Swiss Association of Nurse Anesthesists (Geneva, Switzerland, October 28−30, 2021)”. Swiss Medical Weekly 151, no. 4344 (October 28, 2021): Suppl. 254. Accessed December 12, 2025. https://www.smw.ch/index.php/smw/article/view/3101.