ALakkad, A., Hussien, H., Sami, M., Salah, M., Khalil, S. E., Ahmed, O. and Hassan, W. (2021) “Stiff Person syndrome: a case report”, International Journal of Research in Medical Sciences, 9(9), pp. 2838–2840. doi: 10.18203/2320-6012.ijrms20213431.