Gupta, H., H. Jain, V. Kaul, G. K. Sethi, R. Sharma, and A. Allahabadi. “Air Pollution and Its Association With Respiratory Dysfunction Among Healthy Adolescents: A Cross Sectional Study from South Western Punjab, India”. International Journal of Contemporary Pediatrics, vol. 6, no. 1, Dec. 2018, pp. 33-39, doi:10.18203/2349-3291.ijcp20184702.