Sagar, Manvi, Sarit Sharma, Anurag Chaudhary, Sangeeta Girdhar, Mahesh Satija, and Pushapindra Kaushal. 2018. “Assessment of Prevalence of Migraine and Associated Disability in Selected Urban Population of Ludhiana City in Punjab”. National Journal of Community Medicine 9 (02):140-43. https://www.njcmindia.com/index.php/file/article/view/658.