Gupta, R., Gupta, R., Jan, R., Langer, B., Gupta, R. K., & Singh, P. (2019). Prevalence of respiratory morbidity among brick kiln workers: a cross sectional study from rural north India. International Journal of Research in Medical Sciences, 7(5), 1506–1510. https://doi.org/10.18203/2320-6012.ijrms20191547