1. Symptomatic occult hydrocephalus with 'normal' cerebrospinal fluid pressure. A treatable syndrome;Adams, R.D.; Fisher, C.M.; Hakim, S.; Ojemann, R.G.; Sweet, W.H.;New Engl. J. Med,1965
2. Further observations on normal pressure hydrocephalus;Adams, R.D.; Fisher, C.M.; Hakim, S.; Ojemann, R.G.; Sweet, W.H.;Proc. roy. Soc. Med,1966
3. Control of hydrocephalus by valve-regulated venous shunt. Avoidance of complications in prolonged shunt maintenance;Becker, D.P.; Nulsen, F.E.;J. Neurosurg,1968
4. Subdural hematoma following pneumoancephalography. Case report;Calkins, R.A.; van Allen, M.W.; Sahs, A.L.;Ibid,1967
5. Increased resistance developing in Holter valves;Corkery, J.J.; Zachary, R.D.;Lancet,1967