1. Ahn ST, Yoo DS, Cho KS, Kim JK, Huh PW, Kim DS, et al. The use of the programmable valve shunt system in the management of patients with hydrocephalus. J Korean Neurosurg Soc. 2002; 31:139–144.
2. Aschoff A, Krämer P, Benesch C, Klank A. Shunt-technology and overdrainage--a critical review of hydrostatic, programmable and variable-resistance-valves and flow-reducing devices. Eur J Pediatr Surg. 1991; 1:Suppl 1. 49–50.
3. Aschoff A, Kremer P, Benesch C, Fruh K, Klank A, Kunze S. Overdrainage and shunt technology. A critical comparison of programmable, hydrostatic and variable-resistance valves and flow-reducing devices. Childs Nerv Syst. 1995; 11:193–202.
4. Black PM. Idiopathic normal pressure hydrocephalus. Results of shunting in 62 patients. J Neurosurg. 1980; 52:371–377.
5. Black PM, Hakim R, Bailey NO. The use of the Codman-Medos Programmable Hakim valve in the management of patients with hydrocephalus: illustrative cases. Neurosurgery. 1994; 34:1110–1113.
6. Dietrich U, Lumenta C, Sprick C, Majewski B. Subdural hematoma in a case of hydrocephalus and macrocrania. Experience with a pressure-adjustable valve. Childs Nerv Syst. 1987; 3:242–244.
7. Han YM, Yoo DS, Kim DS, Huh PW, Cho KS, Kang JK. A clinical analysis of the ventriculoperitoneal shunt with programmable shunt device. J Korean Neurosurg Soc. 1999; 28:75–81.
8. Hakim S. Hydraulic and mechanical mis-matching of valve shunts used in the treatment of hydrocephalus: the need for a servo-valve shunt. Dev Med Child Neurol. 1973; 15:646–653.
Article
9. Hakim S, Venegas JG, Burton JD. The physics of the cranial cavity, hydrocephalus and normal pressure hydrocephalus: mechanical interpretation and mathematical model. Surg Neurol. 1976; 5:187–210.
10. Kamiya K, Yamashita N, Nagai H. An experience of programmable shunt system for various disease. Curr Tr Hyd (Tokyo). 1993; 3:38–44.
11. Kuurne T, Servo A, Porras M. Subdural effusions re-appearing after shunts in patients with non-tumoural stenosis of the aqueduct. Acta Neurochir (Wien). 1983; 67:127–134.
Article
12. Larsson A, Jensen C, Bilting M, Ekholm S, Stephensen H, Wikkelsö C. Does the shunt opening pressure influence the effect of shunt surgery in normal pressure hydrocephalus? Acta Neurochir (Wien). 1992; 117:15–22.
Article
13. Lee MC, Lee JK, Kim JH, Kim HW, Kim TS, Jung S, et al. Effectiveness of the Medos Hakim Programmable Valve in the Treatment of Various Type of Hydrocephalus. J Korean Neurosurg Soc. 1999; 28:1714–1720.
14. Lumenta CB, Roosen N, Dietrich U. Clinical experience with a pressure-adjustable valve SOPHY in the management of hydrocephalus. Childs Nerv Syst. 1990; 6:270–274.
Article
15. McQuarrie IG, Saint-Louis L, Scherer PB. Treatment of normal pressure hydrocephalus with low versus medium pressure cerebrospinal fluid shunts. Neurosurgery. 1984; 15:484–488.
Article
16. Pudenz RH, Foltz EL. Hydrocephalus: overdrainage by ventricular shunts. A review and recommendations. Surg Neurol. 1991; 35:200–212.
Article
17. Reinprecht A, Czech T, Dietrich W. Clinical experience with a new pressure-adjustable shunt valve. Acta Neurochir (Wien). 1995; 134:119–124.
Article
18. Reinprecht A, Dietrich W, Bertalanffy A, Czech T. The Medos Hakim programmable valve in the treatment of pediatric hydrocephalus. Childs Nerv Syst. 1997; 13:588–593. discussion 593-594.
Article
19. Sindou M, Guyotat-Pelissou I, Chidiac A, Goutelle A. Transcutaneous pressure adjustable valve for the treatment of hydrocephalus and arachnoid cysts in adults. Experiences with 75 cases. Acta Neurochir (Wien). 1993; 121:135–139.
20. Yamashita N, Kamiya K, Yamada K. Experience with a programmable valve shunt system. J Neurosurg. 1999; 91:26–31.
Article
21. Walsh JW, James HE. Subtemporal craniectomy and elevation of shunt valve opening pressure in the management of small ventricle-induced cerebrospinal fluid shunt dysfunction. Neurosurgery. 1982; 10:698–703.
Article