Usman, J. D.; Yunusa, G.; Saidu, S. A.; Bello, A.; Abdulhameed, A.; Bello, S. S.; Zagga, A. D. The Prevalence of the Absence of the Occipital (Posterior) Horns of the Lateral Ventricles Among Nigerians (2003 – 2008) Using Computerised Tomography. IJHMI 2012, 1, 18-22.