Endovascular Treatment of Ruptured Posterior Circulation Cerebral Aneurysms, Clinical and Angiographic Outcomes
Stroke 31:100-110, Lempert,T.E.,et al, 2000
Current Role of Cerebral Angiography in the Diagnosis of Cerebrovascular Diseases
AJR 159:191-197, Wolpert,S.M.&Caplan,L.R., 1992