1. Drake JM, Kestle J (1996) Determining the best cerebrospinal fluid shunt valve design: the pediatric valve design trial. Neurosurgery 38(3):604–607
2. Walker M et al (1993) Diagnosis and treatment of the slit ventricle syndrome. In: Butler A, McLone D (eds) Neurosurgery clinics of North America. Saunders, Philadelphia, pp 707–714