Open Science Research Excellence
Hari Shankar and  Kshitij Raj and  Priya Keshari and  Pragya Singh,  Prevalence of Headache among Adult Population in Urban Varanasi, India.   journal   = {International Journal of Medical and Health Sciences}, [online]. World Academy of Science, Engineering and Technology. May 2016, vol. 113(5). 281 - 284[viewed 17 July 2019]. Available from: http://waset.org/publications/10004559.