Gupta, D., Singh, A. and Agarwal, et al., R. (2010) “Is tobacco smoking protective for sarcoidosis? A case-control study from North India”,
Sarcoidosis, Vasculitis and Diffuse Lung Diseases, 27(1), pp. 19–26. Available at:
https://mattioli1885journals.com/index.php/sarcoidosis/article/view/2563 (Accessed: 8 August 2025).