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3. A new operation for the treatment of communicating hydrocephalus; report of a case secondary to generalized meningitis;Matson;J Neurosurg,1949
4. Is there an ideal shunt? A panoramic view of 110 years in CSF diversions and shunt systems used for the treatment of hydrocephalus: from historical events to current trends;Symss;Child's Nervous Syst,2015
5. A flow-regulating device to control differential pressure in CSF shunt systems. Technical note;Yamada;J Neurosurg,1982