“Palmoplantar Keratoderma Progradiens Et Transgradiens Associated With Periodontitis – A Case of Papillon-Lefevre Syndrome”. Journal of Pakistan Association of Dermatologists 26, no. 2 (November 17, 2016): 166–170. Accessed July 26, 2026. https://www.jpad.com.pk/index.php/jpad/article/view/64.