Robinson, Dan, Judy Village, George Roddan, and Brian Remedios. “The Effect of Mechanical Shock Frequency and Amplitude on Spinal Transmission and Internal Pressure”. Canadian Acoustics 21, no. 3 (September 1, 1993): 141–142. Accessed April 24, 2024. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/815.