A ten percent prevalence of asymptomatic familial intracranial aneurysms: preliminary report on 110 magnetic resonance angiography studies in members of 21 Finnish familial intracranial aneurysm families. - Ronkainen,A.; Hernesniemi,J.; Ryynanen,M.; Puranen,M.; Kuivaniemi,H. (Neurosurgery, 1994)