# Universal Difference-in-Differences for Causal Inference in Epidemiology

> Research article (Epidemiology, 2023) · cited 30× · AI/ML

**Wikidata**: [openalex:W4389167517](https://www.wikidata.org/wiki/openalex:W4389167517)  
**Source**: https://4ort.xyz/entity/universal-difference-in-differences-for-causal-inference-in-epidemiology