Nasr, B., R. Shukla, and H. Corbett. “Balanitis Xerotica Obliterans in Non-Identical (dizygotic) Twin Boys.”. European Journal of Pediatric Dermatology, vol. 22, no. 3, Sept. 2012, pp. 197 -00, https://ejpd.com/index.php/journal/article/view/821.