EP-1425: Frameless linac based radiosurgery of arteriovenous malformations: geometrical accuracy. (April 2015) - Tijssen, R.; Kotte, A.N.T.; Wopereis, A.J.M.; Brand, E.; Klijn, C.J.M.; De Kort, G.A.P.; Berkelbach, J.; Eppinga, W.S.C.; Seravalli, E.