Ahmed, S., S. Noushad, R. Nasir, H. Khalid, and S. M. Tahir. “Exaggerating and Retraining Factors Leading to Migraine Incidence in Pakistan”. Annals of Psychophysiology, Vol. 1, Aug. 2014, pp. 24-26, doi:10.29052/2412-3188.v1.i1.2014.24-26.