S., Durgadevi, and Shridharan P. 2018. “Treatment of Periungual Warts: Comparison of Topical 5% 5-Fluorouracil and Intralesional Purified Protein Derivative in a South Indian Teaching Hospital”. International Journal of Research in Dermatology 4 (4):574-78. https://doi.org/10.18203/issn.2455-4529.IntJResDermatol20184464.