# Cryo-EM heterogeneity analysis using regularized covariance estimation and kernel regression

> Research article (Proceedings of the National Academy of Sciences, 2025) · cited 20× · AI/ML

**Wikidata**: [openalex:W4407950139](https://www.wikidata.org/wiki/openalex:W4407950139)  
**Source**: https://4ort.xyz/entity/cryo-em-heterogeneity-analysis-using-regularized-covariance-estimation-and-kernel-regression