@article{Tsybizova2021pharmacological,
author={Tsybizova, A.. and Umarova, G..},
title={PHARMACOLOGICAL CHARACTERISTICS OF XANTHINE DERIVATIVES},
journal={CASPIANJOURNALOF MEDICINE AND PHARMACY},
publisher={Astrakhan State Medical University},
year={2021},
pages={29-36},
volume={2},
issue={4},
}