besides his skills in the surgical-technical field his close co-operation with the then director of the neurological clinic of the jena university , hans berger , is appreciated as well as his scientific work , summarised in volume iii/1 of the ten volumes comprising surgical teachings by kirschner `` '' interventions in the cranium , brain , at the vertebral column , the spinal cord and the branches of the n. trigeminus '' '' .
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craniu
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brai