TY JOUR TI SCIENTIFIC APPROACH TO THE IMPROVEMENT OF CARDIAC CARE IN THE RUSSIAN PENITENTIARY SYSTEM. REVIEW OF LITERATURE KW cardiovascular diseases KW penitentiary system KW penitentiary healthcare JO Medical Bulletin of the Ministry of Internal Affairs AU DYuZhEVA, E.V. AU Zolotukhin, N.N. PY 2025 IS 2025 PB State institution Joint editorial office of the Ministry of Internal Affairs of Russia