Khoorjestan, S. M., S. Najarian, N. Simforoosh, and S. H. Farkoush. “Design and Modeling of a Novel Flexible Surgical Instrument Applicable in Minimally Invasive Surgery”. International Journal of Natural and Engineering Sciences, vol. 4, no. 1, July 2019, pp. 53-60, https://ijnes.org/index.php/ijnes/article/view/512.