@article{Unagaeva2023chronic,
author={Unagaeva, E.A.},
title={Chronic obstructive pulmonary disease  and cardiovascular diseases:  what does GOLD claim?},
journal={Journal of Natural Sciences Research},
publisher={INFRA-M Academic Publishing LLC.},
year={2023},
pages={35-40},
volume={8},
issue={3},
}