Zhang, R. and Zhu, W. (2010) “Phakomatosis pigmento-vascularis type IIb consisting of generalized Mongolian spot associated with Klippel-Trenaunay syndrome”., European Journal of Pediatric Dermatology, 20(4), pp. 243–46. Available at: https://ejpd.migration.pkpps03.publicknowledgeproject.org/index.php/journal/article/view/623 (Accessed: 9 September 2026).