S, Giridharan, and Shankar S. “RESPIRATORY MORBIDITY AND VENTILATORY FUNCTION IMPAIRMENT AMONG CEMENT FACTORY EMPLOYEES”. International Journal of Medical and Biomedical Studies 4, no. 2 (February 27, 2020). Accessed December 23, 2025. https://www.ijmbs.info/index.php/ijmbs/article/view/988.