Kashif, M., M. A. Kamran, T. Ayub, S. S. Hussain, and M. I. Khan. “Are We Clean Enough? A Cross Sectional Study Conducted Among General Dental Practitioners and Consultants of Karachi”. Journal of Liaquat University of Medical & Health Sciences, vol. 19, no. 02, July 2020, pp. 128-32, http://121.52.154.205/index.php/jlumhs/article/view/349.