For citations:
Arzhanik M.B., Karas S.I., Grakova E.V., Vasiltseva O.A., Korneeva T.B., Kara-Sal E.E. Methodology in cardiologists’ postgraduate education. Russian Journal of Cardiology. 2019;(12):104-108. (In Russ.) https://doi.org/10.15829/1560-4071-2019-12-104-108