Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KAKINO Satoko,A new multi-wavelength optical-plethysmograph for quantitative determination of pulpal hemoglobin content and oxygen level using green and near-infrared LEDs.,Proceedings of SPIE2007(The Society of Photo-Optical Instrumentation Engineers.) Lasers in Dentistry X III 6425,,,2007,,,,https://cir.nii.ac.jp/crid/1010282257421085962,