K. C., M. S., M. K., and R. Krishnappa. “Ergonomics in Laparoscopy: A Questionnaire Survey of Physical Discomfort and Symptoms in Surgeons Following Laparoscopic Surgery”. International Surgery Journal, vol. 4, no. 12, Nov. 2017, pp. 3907-14, doi:10.18203/2349-2902.isj20175151.