Rifkinson-Mann, S Congenital fourth ventricular midline outlet obstruction. Report of two cases. [electronic resource] - Journal of neurosurgery Oct 1987 - 595-9 p. digital Publication Type: Case Reports; Journal Article; Review ISSN: 0022-3085 Standard No.: 10.3171/jns.1987.67.4.0595 doi Subjects--Topical Terms: AdultCerebral Ventricles--abnormalitiesCerebral VentriculographyHumansHydrocephalus--diagnostic imagingMaleMiddle AgedSkull--surgeryTomography, X-Ray Computed