Perumal, Saradha K., and Sudha R. Gopinath. “A Retrospective Study on Palmoplantar Psoriasis and Its Associations in a Tertiary Care Centre”. International Journal of Research in Dermatology 5, no. 2 (April 26, 2019): 277–280. Accessed February 10, 2025. https://www.ijord.com/index.php/ijord/article/view/649.