Roque, J A Normal pressure hydrocephalus: a five year experience at Rhode Island Hospital. [electronic resource] - Rhode Island medical journal Jan 1973 - 17-20 p. digital Publication Type: Journal Article ISSN: 0035-4627 Subjects--Topical Terms: AgedCerebrospinal Fluid ShuntsFollow-Up StudiesHumansHydrocephalus--therapyHydrocephalus, Normal Pressure--therapyMiddle AgedPneumoencephalography