Authors: S Bastianello; A Pierallini; C Colonnese; G Brughitta; U Angeloni; M Antonelli; L M Fantozzi; C Fieschi; L Bozzao Journal: Neuroradiology Date: 1991 Impact factor: 2.804
Authors: J Reith; H S Jørgensen; P M Pedersen; H Nakayama; H O Raaschou; L L Jeppesen; T S Olsen Journal: Lancet Date: 1996-02-17 Impact factor: 79.321