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   Emi Dika et al, 2021, Journal of Clinical Medicine CrossRef
2. To the question of melanoma of rare localizations
   A.S. Shubina et al, 2020, Klinicheskaya dermatologiya i venerologiya CrossRef
3. Urological Melanoma: A Comprehensive Review of a Rare Subclass of Mucosal Melanoma with Emphasis on Differential Diagnosis and Therapeutic Approaches
   Gerardo Cazzato et al, 2021, Cancers CrossRef