An, J., Lee, Y., Park, W. Y., Park, S., Park, H., Yoo, J. W., & Choi, J. B. (2016). Variations in the distance between the cricoid cartilage and targets of stellate ganglion block in neutral and extended supine positions: An ultrasonographic evaluation. J Anesth.

An, Jiwon, Youn-Woo Lee, Woo Young Park, Sungchul Park, Hyungbae Park, Ji Won Yoo, i Jong Bum Choi. "Variations in the Distance between the Cricoid Cartilage and Targets of Stellate Ganglion Block in Neutral and Extended Supine Positions: An Ultrasonographic Evaluation." J Anesth 2016.

An, Jiwon, et al. "Variations in the Distance between the Cricoid Cartilage and Targets of Stellate Ganglion Block in Neutral and Extended Supine Positions: An Ultrasonographic Evaluation." J Anesth 2016.