@article{Sukhareva2022paid,
author={Sukhareva, I.A. and Pevzner, D.A.},
title={PAID AND FREE MEDICAL SERVICES: HISTORICAL PARALLELS OF DEVELOPMENT},
journal={Tavricheskiy Mediko-Biologicheskiy Vestnik},
publisher={V.I. Vernadsky Crimean Federal University},
year={2022},
pages={65-71},
volume={23},
issue={4},
}