544,959 CURRENT Current topics in neurosurgery : dedicated to professor Stig H. M.Nystrom / [J. Koivukangas et al.]. -[Helsinki ; Vammala : Vammalan Kirjapaino Oy, 1986]. - 124 s. : il. [również kolor], wykr. ; 25cm (Annals of Clinical Research ; vol. 18, suppl. No 47) ISBN 951-9347-46-1