# A practical artificial intelligence system to diagnose COVID-19 using computed tomography: A multinational external validation study

> Research article (Pattern Recognition Letters, 2021) · cited 12× · AI/ML

**Wikidata**: [openalex:W3203518377](https://www.wikidata.org/wiki/openalex:W3203518377)  
**Source**: https://4ort.xyz/entity/a-practical-artificial-intelligence-system-to-diagnose-covid-19-using-computed-tomography-a-multinational-external-valid