Venkatesh Lakshmi, Sathya Narayanan and Narasimhalu C R V (2020) “Efficacy of intralesional Purified Protein Derivative (PPD) in the treatment of multiple warts”, International Journal of Research in Pharmaceutical Sciences, 11(4), pp. 6850–6854. Available at: https://ijrps.com/home/article/view/1776 (Accessed: 22 November 2024).