Authors: H O Thijssen; J L Merx; J E Mostart; M A Thijssen; R W Chung; H Schoonderwaldt; A Keyser Journal: Neuroradiology Date: 1988 Impact factor: 2.804
Authors: D Russell; K F Lindegaard; P Nakstad; R Nyberg-Hansen; K G Oygarden Journal: J Neurol Neurosurg Psychiatry Date: 1984-12 Impact factor: 10.154