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2. Probleme der modernen Hydrozephaluschirurgie;Finkemeyer;Fortschritte der Neurologie, Psychiatrie und ihre Grenzgebiete,1969
3. Flow characteristics of the Spitz-Holter valve;Forrest;Developmental Medicine and Child Neurology,1962
4. Complications of ventriculo-atrial shunts;Forrest;Journal of Neurosurgery,1968