Sparrow, O C Laboratory performance of single-piece ventriculoperitoneal shunts with distal slit-valve control. [electronic resource] - Journal of neurosurgery Jun 1989 - 946-53 p. digital Publication Type: Journal Article ISSN: 0022-3085 Standard No.: 10.3171/jns.1989.70.6.0946 doi Subjects--Topical Terms: Cerebrospinal Fluid Shunts--methodsPressure