[On diturbance of the heart rythm in rheumatism of children of preschool age].
D002648:Child; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D012213:Rheumatic Fever / Q000503:physiopathology*; D012214:Rheumatic Heart Disease / Q000503:physiopathology
O narushenii ritma serdtsa pri revmatizme u deteĭ doshkolńogo vozrasta.