1. A prospective cohort study of awake fibreoptic intubation practice at a tertiary centre
2. Difficult Airway Society guidelines for awake tracheal intubation (ATI) in adults;Ahmad I;Anaesthesia,2019
3. Department of Health and Social Care.COVID‐19 Guidance for infection prevention and control in healthcare settings.2020.https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/874316/Infection_prevention_and_control_guidance_for_pandemic_coronavirus.pdf(accessed 22/03/2020).
4. Epidemiology, causes, clinical manifestation and diagnosis, prevention and control of coronavirus disease (COVID-19) during the early outbreak period: a scoping review
5. Medical expert group of Tongji hospital.Quick guide to the diagnosis and treatment of pneumonia for novel coronavirus infections (third edition). Herald Medicine.2020.http://kns.cnki.net/kcms/detail/42.1293.r.20200130.1803.002.html(accessed 22/03/2020).