K.L S, Venkatachalam S, Nair A, Elangu B, Samuganathan, P, Subramanian B, et al. Study of lung function on construction workers. IJH [Internet]. 2017 May 30 [cited 2024 Nov. 24];5(1):97-9. Available from: https://sciencepubco.com/index.php/IJH/article/view/7655