Khokhar, M. I., F. Afzal, S. Ahmad, M. Zubair, and S. Asif. “Endocrine Surgery in COVID-19 Pandemic: A Systematic Review”. Archives of Surgical Research, vol. 1, no. 2, June 2020, pp. 20-24, http://archivessr.com/index.php/asr/article/view/44.