ward, Joel, Xinghao Cheng, and et al. “Development of a Novel Index to Characterise Arterial Physiology Using Ultrasound Imaging”. Journal of the Nuffield Department of Surgical Sciences 1, no. 2 (February 1, 2020). Accessed April 4, 2026. https://jnds.shox.bodleian.ox.ac.uk/JNDS/article/view/99.