@article{art47,
author = {Kubatbek S. Urmanbetov, Ivan I. Skopin, Elmira N. Tukusheva},
year = {2018},
title = {{Availability of cardiac surgical care in surgical correction of acquired heart defects in patients of older age group}},
journal = {Heart, Vessels and Transplantation},
volume = {2},
number = {1},
pages = {5-9},
doi = {https://doi.org/10.24969/hvt.2017.47},
issn = {1694-7886}
}