Ahmed, Parvez, Mahim Eaty, Nazmul Alam, Leela Anthony, and Nawzia Yasmin. “Respiratory Symptoms Among Urban Traffic Policemen in Bangladesh: A Cross-Sectional Study”. Journal of Public Health in Africa 13, no. 4 (January 11, 2023). Accessed February 1, 2023. https://publichealthinafrica.org/jphia/article/view/2147.