RT Journal Article SR Electronic T1 Short report JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 726 OP 726 DO 10.1136/jnnp.40.7.726 VO 40 IS 7 A1 Onuigbo, Wilson I. B. YR 1977 UL http://jnnp.bmj.com/content/40/7/726.abstract AB A survey of surgical specimens submitted to a central laboratory suggests that the Igbos of Nigeria are a further ethnic group in whom the anterior encephalocele is comparatively common.