САВЧУК, Л. Я.; СЕМЧУК, Я. М. INFLUENCE OF HARMFUL SUBSTANCE IN THE AIR ON IMMUNITY SYSTEM OF CHILDREN IN DIFFERENT SEASONS. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY Pulse, [S. l.], n. 8(44), p. 46–52, 2019. Disponível em: https://pvntsh.nung.edu.ua/index.php/pulse/article/view/500. Acesso em: 7 dec. 2025.