Samanta, A., A. Achar, L. Ghoshal, and R. Hazra. “Familial Pseudoxanthoma Elasticum: Report of Three Case Series in a Single Family”. Journal of Pakistan Association of Dermatologists, vol. 26, no. 4, Apr. 2017, pp. 375-8, https://www.jpad.com.pk/index.php/jpad/article/view/959.