Hillan, A., L. Convery-Chan, T. Beer, F. McKenzie, and B. Ricciardo. 2021. “Pseudoxanthoma Elasticum Presenting in Teenage Sisters: Case Report and Review of Multisystem Associations.”. European Journal of Pediatric Dermatology 31 (3):155-60. https://doi.org/10.26326/2281-9649.31.3.2264.