H. S., S., Chaudhuri, A., D., C. and Singh, A. (2017) “Excessive daytime sleepiness and its determinants: do they have a pattern with study semesters among postgraduate medical resident doctors?”, International Journal Of Community Medicine And Public Health, 5(1), pp. 382–389. doi: 10.18203/2394-6040.ijcmph20175818.