APA (7th ed.) Citation

Dong, F., Wang, Y., Wang, X., Zhao, H., & Ma, W. (2019). Changes in the upper airway following induction of anaesthesia: A prospective observational study protocol to determine the use of ultrasound in the assessment of a difficult airway in China. BMJ open, 9(7), e029782. https://doi.org/10.1136/bmjopen-2019-029782

Chicago Style (17th ed.) Citation

Dong, Fang, Yong Wang, Xia Wang, Huanyi Zhao, and Wuhua Ma. "Changes in the Upper Airway Following Induction of Anaesthesia: A Prospective Observational Study Protocol to Determine the Use of Ultrasound in the Assessment of a Difficult Airway in China." BMJ Open 9, no. 7 (2019): e029782. https://doi.org/10.1136/bmjopen-2019-029782.

MLA (9th ed.) Citation

Dong, Fang, et al. "Changes in the Upper Airway Following Induction of Anaesthesia: A Prospective Observational Study Protocol to Determine the Use of Ultrasound in the Assessment of a Difficult Airway in China." BMJ Open, vol. 9, no. 7, 2019, p. e029782, https://doi.org/10.1136/bmjopen-2019-029782.