Why the study?
Smartphone-based hemoglobin measurement techniques face significant challenges in data collection, sensor selection, signal analysis, and machine-learning algorithms, requiring a comprehensive analysis to recommend methods for a noninvasive smartphone tool.
This review provides technical recommendations for developing affordable, smartphone-based noninvasive point-of-care tools for hemoglobin measurement.
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May offer affordable point-of-care hemoglobin testing in resource-limited settings; leaves open whether accuracy supports clinical adoption.
Hasan et al. (2019) studied this question.
Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context: