G., S., Kumar N., A., D., M. and K., M. 2020. Intralesional immunotherapy with purified protein derivative antigen in the treatment of multiple cutaneous warts: an open label study in an urban teaching hospital. International Journal of Research in Dermatology. 6, 6 (Oct. 2020), 739–743. DOI:https://doi.org/10.18203/issn.2455-4529.IntJResDermatol20204436.