# Comparison group selection in the presence of rolling entry for health services research: Rolling entry matching

> Research article (Health Services Research, 2018) · cited 23× · AI/ML

**Wikidata**: [openalex:W2899713319](https://www.wikidata.org/wiki/openalex:W2899713319)  
**Source**: https://4ort.xyz/entity/comparison-group-selection-in-the-presence-of-rolling-entry-for-health-services-research-rolling-entry-matching