# Non-Invasive Classification of Blood Glucose Level Based on Photoplethysmography Using Time–Frequency Analysis

> Research article (Information, 2023) · cited 34× · AI/ML

**Wikidata**: [openalex:W4321596973](https://www.wikidata.org/wiki/openalex:W4321596973)  
**Source**: https://4ort.xyz/entity/non-invasive-classification-of-blood-glucose-level-based-on-photoplethysmography-using-timefrequency-analysis