For citations:

Kaliadzich Zh.V. Onco-epidemiological features of head and neck tumors within the competence of the otorhinolaryngological service across the regions of the Republic of Belarus. Health and Ecology Issues. 2021;18(4):129-135. (In Russ.) https://doi.org/10.51523/2708-6011.2021-18-4-17