Ajeet Kumar Saharan, S. N. M. S. “A Study to Evaluate the Incidence of Carpel Tunnel Syndrome in Long Term Keyboard Usage Professionals”. Innovative Journal of Medical and Health Sciences, vol. 10, no. 10, Oct. 2020, pp. 1280-7, http://innovativejournal.in/index.php/ijmhs/article/view/3107.