Shaukat, S., S. Aman, I. Hussain, and A. H. Kazmi. “The Effect of Oral Doxycycline and Topical 5% Benzoyl Peroxide on Quality of Life in Patients With Mild to Moderate Acne Vulgaris”. Journal of Pakistan Association of Dermatologists, vol. 23, no. 2, Dec. 2016, pp. 173-9, https://www.jpad.com.pk/index.php/jpad/article/view/303.