[Basic trends in the improvement of cardiology care].
D000553:Ambulatory Care / Q000639:trends; D002300:Cardiac Care Facilities / Q000639:trends*; D006782:Hospitals, Special / Q000639:trends*; D008887:Military Medicine / Q000639:trends*; D014586:USSR
Osnovnye napravleniia sovershenstvovaniia kardiologicheskoĭ pomoshchi.