Pandey S, Singh A, Singh TB. A Statistical study to estimate the effects of smoking and cotton dust exposure on lung function of cotton workers of Varanasi district, Uttar Pradesh, India. Int J Community Med Public Health [Internet]. 2017 Feb. 22 [cited 2025 Oct. 11];4(3):743-6. Available from: https://www.ijcmph.com/index.php/ijcmph/article/view/425