For citations:
Arkhipova O.A., Valieva Z.S., Martynyuk T.V., Nakonechnikov S.N., Chazova I.Ye. FEATURES OF PULMONARY ARTERIAL HYPERTENSION IN THE RUSSIAN REGISTER. Eurasian heart journal. 2014;(4):44-53. (In Russ.) https://doi.org/10.38109/2225-1685-2014-4-44-53