Emergency cricothyrotomy--a systematic review.

MLA

Langvad, Sofie, et al. “Emergency Cricothyrotomy--a Systematic Review.” Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine, vol. 21, May 2013, p. 43. EBSCOhost, https://doi.org/10.1186/1757-7241-21-43.

APA

Langvad, S., Hyldmo, P. K., Nakstad, A. R., Vist, G. E., & Sandberg, M. (2013). Emergency cricothyrotomy--a systematic review. Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine, 21, 43. https://doi.org/10.1186/1757-7241-21-43

Chicago

Langvad, Sofie, Per Kristian Hyldmo, Anders Rostrup Nakstad, Gunn Elisabeth Vist, and Marten Sandberg. 2013. “Emergency Cricothyrotomy--a Systematic Review.” Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine 21 (May): 43. doi:10.1186/1757-7241-21-43.