# Tribute to Dr. Takuo Aoyagi, inventor of pulse oximetry

> Research article (Journal of Anesthesia, 2021) · cited 38× · AI/ML

**Wikidata**: [openalex:W3192762714](https://www.wikidata.org/wiki/openalex:W3192762714)  
**Source**: https://4ort.xyz/entity/tribute-to-dr-takuo-aoyagi-inventor-of-pulse-oximetry