title: [Efficiency of the on-off valve in the cerebrospinal fluid shunt (author's transl)].
mesh_terms: D000293:Adolescent; D000328:Adult; D002557:Cerebrospinal Fluid Shunts / Q000295:instrumentation*; D002648:Child; D005260:Female; D006801:Humans; D006849:Hydrocephalus / Q000601:surgery; D008297:Male