Authors: Krzysztof Zapałowicz; Andrzej Radek; Piotr Gasiński; Bogdan Błaszczyk; Piotr Skiba Journal: Neurol Neurochir Pol Date: 2003 Sep-Oct Impact factor: 1.621
Authors: W O Spitzer; M L Skovron; L R Salmi; J D Cassidy; J Duranceau; S Suissa; E Zeiss Journal: Spine (Phila Pa 1976) Date: 1995-04-15 Impact factor: 3.468