# Smartphone-based non-invasive haemoglobin level estimation by analyzing nail pallor

> Research article (Biomedical Signal Processing and Control, 2023) · cited 25× · AI/ML

**Wikidata**: [openalex:W4367047483](https://www.wikidata.org/wiki/openalex:W4367047483)  
**Source**: https://4ort.xyz/entity/smartphone-based-non-invasive-haemoglobin-level-estimation-by-analyzing-nail-pallor