Pérez, S.P. et al. 2023. Heterochromia of the Iris, Skin Hypopigmentation and Hepatoblastoma Associated with Beckwith-Wiedemann Syndrome. Report of a Clinical Case with Long-Term Follow-Up. British Journal of Healthcare and Medical Research. 10, 5 (Oct. 2023), 168–180. DOI:https://doi.org/10.14738/bjhmr.105.15620.