For citations:
Belysheva T.S., Vishnevskaya Ya.V., Kletskaya I.S., Michenko A.V., Volkova A.S., Valiev T.T., Mikhailova S.N., Varfolomeeva S.R. Problems of clinical and morphologic diagnosis of orolabial melanosis in children. Russian Journal of Pediatric Hematology and Oncology. 2021;8(3):116-122. (In Russ.) https://doi.org/10.21682/2311-1267-2021-8-3-116-122