TCHANEVA, Galina; BOGDANOVA, Kamelia; DIMITRINA. INFLUENCE OF CERTAIN FACTORS ON THE RESPIRATORY SYSTEM AT THE HEALTH CARE PROFESSIONALS. KNOWLEDGE - International Journal , [S. l.], v. 52, n. 4, p. 461–466, 2022. Disponível em: https://ojs.ikm.mk/index.php/kij/article/view/5212. Acesso em: 1 aug. 2026.