Priyadarshini, G., A. Mishra, and R. R. Mohanty. “Effect of Advancing Age on Pulmonary Functions in Petrol Pump Workers of Cuttack : A Cross Sectional Study”. Medical Science, vol. 2, no. 2, June 2014, pp. 103-9, doi:10.29387/ms.2014.2.2.103-109.