Nadia Waqas ,Shazia Amir Khan , Aqsa Naheed , Zafar Iqbal Sheikh. “Efficacy of Oral Zinc Sulphate in the Treatment of Recalcitrant Common Warts”. Journal of Rawalpindi Medical College, vol. 21, no. 3, Sept. 2017, https://journalrmc.com/index.php/JRMC/article/view/33.