Volumetric analysis of intracranial vessels: a novel tool for evaluation of cerebral vasospasm. - Axel Neulen; Tobias Pantel; Anna Dieter; Michael Kosterhon; Manfred Berres; Serge C. Thal; Marc A. Brockmann; Sven R. Kantelhardt (Int. J. Comput. Assist. Radiol. Surg., 2019)