Nurgulim Akhmad, Zhanagul Kelimbetova, and Saniyam Kurbaniyazova. “INFLUENCE OF TOBACCO PRODUCTS ON ADOLESCENTS CHONIC BRONCHITIS”. Foundations and Trends in Research, no. 5 (February 11, 2024). Accessed October 7, 2025. https://ojs.scipub.de/index.php/FTR/article/view/2949.