# An open natural language processing (NLP) framework for EHR-based clinical research: a case demonstration using the National COVID Cohort Collaborative (N3C)

> Research article (Journal of the American Medical Informatics Association, 2023) · cited 24× · AI/ML

**Wikidata**: [openalex:W4385684870](https://www.wikidata.org/wiki/openalex:W4385684870)  
**Source**: https://4ort.xyz/entity/an-open-natural-language-processing-nlp-framework-for-ehr-based-clinical-research-a-case-demonstration-using-the-nationa