Siivola, J Non-invasive piezoelectric transducer for recording of respiration at the level of diaphragm. [electronic resource] - Electroencephalography and clinical neurophysiology Jun 1998 - 552-3 p. digital Publication Type: Clinical Trial; Journal Article ISSN: 0013-4694 Standard No.: 10.1016/s0013-4694(98)00019-4 doi Subjects--Topical Terms: AdolescentAdultAgedChildDiaphragm--physiologyElectroencephalographyElectromyography--instrumentationFemaleHumansMaleMiddle AgedPolyvinylsRespiratory Mechanics--physiologyTransducers