Proceedings of the 117th Meeting of the Society of British Neurological Surgeons held jointly with the Polish Neurosurgical Society, Warsaw and Katowice, Poland, 23-26 September 1990
Proceedings of the 117th Meeting of the Society of British Neurological Surgeons held jointly with the Polish Neurosurgical Society, Warsaw and Katowice, Poland, 23-26 September 1990