RT Journal Article SR Electronic T1 Radionuclide Cisternography—Prediction of Clinical Results of Neurosurgical Shunting in Patients with Communicating Normal Pressure Hydrocephalus—Fact or Fantasy JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 465 OP 466 VO 15 IS 6 A1 Samuel E. Halpern A1 William L. Ashburn A1 Naomi P. Alazraki YR 1974 UL http://jnm.snmjournals.org/content/15/6/465.2.abstract AB