2K. Shafqat,D. P. Jones,R. M. Langford,P. A. Kyriacou.Filtering techniques for the removal of ventilator artefact in oesophageal pulse oximetry[J]. Medical & Biological Engineering & Computing . 2006 (8)
3Shafique M,Phillips J P,Kyriacou P A.A novel non-invasivetrans-reflectance photoplethysmographic probe for use in ca-ses of lowperipheral blood perfusion. Proceedings of31stAnnual International Conference of the IEEE Engineering inMedicine and Biology Society . 2009
4Tavakoli M,Turicchia L,Sarpeshkar R.An ultra-low-power pluse oximeter implemented with an energy-efficient transimpedance amplifier[J].IEEE Transactions on Biomedical Circuits and Systems,2010,4(1):27-38.