Zewude, W. C., L. . Baissa, Y. . Suga, and Y. . Suga. “Needle Stick and Sharp Injuries Among Residents Practicing Surgical Intervention in a Tertiary Hospital, Addis Ababa, Ethiopia”. Ethiopian Medical Journal, vol. 58, no. 03, June 2020, https://www.emjema.org/index.php/EMJ/article/view/1470.