Tokoro, K Optimum position of the antisiphon device. [electronic resource] - Neurosurgery Aug 1990 - 332-4 p. digital Publication Type: Letter ISSN: 0148-396X Standard No.: 10.1097/00006123-199008000-00030 doi Subjects--Topical Terms: Cerebrospinal Fluid Shunts--instrumentationHumans