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Table 1: 
Location of 681 ruptured aneurysms treated with detachable coils
Posterior circulation (N = 181)
    Basilar tip109
    Superior cerebellar artery23
    Posterior inferior cerebellar artery26
    Vertebral artery8
    Basilar trunk8
    Posterior cerebral artery6
    Anterior inferior cerebellar artery1
Anterior circulation (N = 500)
    Anterior communicating artery244
    Posterior communicating artery123
    Carotid tip25
    Carotid ophthalmic artery15
    Anterior choreoideal artery13
    Carotid hypophyseal artery1
    Middle cerebral artery49
    Pericallosal artery29
    Carotid cavernous sinus1