S. Mukherjee, C. K. Pradhan, I. Chakraborty, A. Saha, S. Sahu, and S. Thakur, “General health status and morbidity pattern of bus drivers in West Bengal”, Int. J. Sci. Res. Biol. Sci., vol. 5, no. 4, pp. 29–39, Aug. 2018.