Authors: A Pezzini; F Granella; M Grassi; C Bertolino; E Del Zotto; P Immovilli; E Bazzoli; A Padovani; C Zanferrari Journal: Cephalalgia Date: 2005-08 Impact factor: 6.292
Authors: R Dittrich; D Rohsbach; A Heidbreder; P Heuschmann; I Nassenstein; R Bachmann; E B Ringelstein; G Kuhlenbäumer; D G Nabavi Journal: Cerebrovasc Dis Date: 2006-12-29 Impact factor: 2.762