., S., Surynarayana, H. V., Chandrashekhar, H. B. and H. L., P. (2017) “Correlation between associating factors of obstructive airway disease with obstructive sleep apnoea”, International Journal of Research in Medical Sciences, 4(8), pp. 3282–3287. doi: 10.18203/2320-6012.ijrms20162280.