# Learning about reflective PPG for SpO<sub>2</sub> determination using Machine Learning

> Research article (Current Directions in Biomedical Engineering, 2021) · cited 13× · AI/ML

**Wikidata**: [openalex:W4200614550](https://www.wikidata.org/wiki/openalex:W4200614550)  
**Source**: https://4ort.xyz/entity/learning-about-reflective-ppg-for-spo-sub-2-sub-determination-using-machine-learning