[Prevention of rheumatic fever and rheumatic heart disease in the 1970's].
D002648:Child; D002675:Child, Preschool; D006801:Humans; D012213:Rheumatic Fever / Q000517:prevention & control*; D012214:Rheumatic Heart Disease / Q000517:prevention & control*; D014586:USSR
Profilaktika revmaticheskoĭ likhoradki i revmaticheskikh porokov serdtsa v 70-kh godakh