Oskolkova, M K [Comparative examination of the contractile function of the heart in healthy children and in those with chronic intoxications and rheumatism]. [electronic resource] - Voprosy okhrany materinstva i detstva Feb 1969 - 7-13 p. digital Publication Type: Journal Article ISSN: 0042-8825 Subjects--Topical Terms: AdolescentChildChild, PreschoolChronic DiseaseFemaleHeart--physiologyHumansInfections--physiopathologyMalePharyngitis--physiopathologyRheumatic Fever--physiopathologyTonsillitis--physiopathology