For citations:

Yadchenko E.S., Shlyaga I.D., Radzko D.D., Novik A.V. Complicated aneurysmal bone cyst of the paranasal sinuses in a 9-year-old child. Health and Ecology Issues. 2021;18(3):152-158. (In Russ.) https://doi.org/10.51523/2708-6011.2021-18-3-19