15) Snyckers FD, Drake CG : Aneurysms of the distal anterior cerebral artery. A report on 24 verified cases. S Afr Med J 47 : 1787-91, 1973
19) Yasargil MG : Clinical considerations, surgery of intracranial aneurysms and results. Microneurosurgery, Vol II. In Yasargil MG ed. Stuttgart, Georg Thieme Verlag, pp 224-31, 1984