For citations:
Maksimova T.M., Belov V.B., Lushkina N.P. Features of angina development across age groups: data from the World Health Survey (WHS) and the WHO Study on global AGEing and adult health (SAGE). Russian Journal of Cardiology. 2013;(4):44-51. (In Russ.) https://doi.org/10.15829/1560-4071-2013-4-44-51