Kawase, T., K. Miyatani, R. Tanaka, Y. Yamada, S. U. H. Siddiqui, Y. Kato, K. Takagi, and A. Ansari. “Long Term Prognosis of Ventriculoatrial Shunt for Idiopathic Normal Pressure Hydrocephalus in the Elderly”. Romanian Neurosurgery, vol. 31, no. 4, Dec. 2017, pp. 490-4, https://journals.lapub.co.uk/index.php/roneurosurgery/article/view/1039.