Journal of Biomedical Physics and Engineering · 2018 · 11 citations · 9 references
Considering the high correlation between hemoglobin concentration and PPG signal characteristics, optical methods can be used to develop a rapid, precise, clean and inexpensive method to measure hemoglobin concentration.
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Noninvasive total hemoglobin measurement
Kye Jin Jeon, Sujin Kim, Kun Kook Park et al. · Journal of Biomedical Optics · 2002 · 79 citations · Full text