# Clinical concept normalization with a hybrid natural language processing system combining multilevel matching and machine learning ranking

> Research article (Journal of the American Medical Informatics Association, 2020) · cited 22× · AI/ML

**Wikidata**: [openalex:W3092486910](https://www.wikidata.org/wiki/openalex:W3092486910)  
**Source**: https://4ort.xyz/entity/clinical-concept-normalization-with-a-hybrid-natural-language-processing-system-combining-multilevel-matching-and-machin