THOMEER R.T.W.M. 312,847 CENTENNIAL Centennial perspective : 11th International Congress of Neurological Surgery Amsterdam, 6-11 July 1997 : abstracts of the free papers / H.A.M. van Alphen, president, C.J.J. Avezaat, sci. progr. director, R.T.W.M. Thomeer, secretary. - Amsterdam [etc.] : Elsevier, 1997. - VII , 287 s. ; 28 cm. - (Clinical Neurology and Neurosurgery, ISSN 0303-8467 ; vol 99, suppl . 1)