Angioplasty and Stenting of Intracranial Arterial Stenosis in Perforator-Bearing Segments: A Comparison Between the Anterior and the Posterior Circulation oleh Hannes Nordmeyer, Hannes Nordmeyer, René Chapot, Ayhan Aycil, Christian P. Stracke, Christian P. Stracke, Marta Wallocha, M. Jeffrie Hadisurya, Markus Heddier, Patrick Haage, Ralph Weber, Ralph Weber