S. Al Rajeh, O. Bademosi, H. Ismail, A. Awada, A. Dawodu, H. Al-Freihi, S. Assuhaimi, M. Borollosi, S. Al-Shammasi,
A community survey of neurological disorders in Saudi Arabia: the Thugbah study. Neuroepidemiology. ,vol. 12, pp. 164- 178 ,(1993) ,
10.1159/000110316