Feily, Amir. “Vitiligo Extent Tensity Index (VETI) Score: A New Definition, Assessment and Treatment Evaluation Criteria in Vitiligo”. Dermatology Practical & Conceptual (April 9, 2019). Accessed October 22, 2020. https://dpcj.org/index.php/dpc/article/view/dermatol-pract-concept-articleid-dp0404a18.