1. Intraventricular 'RISA' as a diagnostic aid in preand post-operative hydrocephalus;Atkinson, J.R.; Foltz, E.L.;J. Neurosurg,1962
2. development of hydrocephalus (Bering and Sato, 1963). Similar RISA clearance tests have been used to determine the patency of ventriculo-atrial and ventriculo-peritoneal shunts,1959
3. Isotope transfer test for diagnosis of ventriculosubarachnoidal block;Bell, R.L.;ibid,1957
4. Isotope transfer test in the diagnosis and treatment of hydrocephalus;Bell, R.L.;Int. J. appl. Radiat,1959
5. Circulation of the cerebrospinal fluid;Bering, Jr, E.A.,1962