Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) James A.C. Patterson and Douglas C. McIlwraith and Guang-Zhong Yang,"A Flexible, Low Noise Reflective PPG Sensor Platform for Ear-Worn Heart Rate Monitoring",2009 Sixth International Workshop on Wearable and Implantable Body Sensor Networks,,IEEE,2009-06,,,286,https://cir.nii.ac.jp/crid/1363388845530218496,https://doi.org/10.1109/bsn.2009.16