title: [Organic and functional changes in the heart in children and their differentiation].
mesh_terms: D002648:Child; D003937:Diagnosis, Differential; D006331:Heart Diseases / Q000175:diagnosis* / Q000523:psychology; D006801:Humans; D011602:Psychophysiologic Disorders / Q000175:diagnosis*
vernacular_title: Ob organicheskikh i funktsional'nykh izmeneniiakh v serdtse u deteĭ i ikh differentsiatsii.