SOIBOVA, K. CARDIOVASCULAR DISEASES IN CHILDREN, CLINICAL SYMPTOMS, DIAGNOSIS, TREATMENT, AND PREVENTIVE MEASURES. Science and innovation in the education system, [S. l.], v. 4, n. 9, p. 41–43, 2025. Disponível em: https://econferences.ru/index.php/sies/article/view/31203. Acesso em: 7 фев. 2026.