# Toward a Clearer Definition of Selection Bias When Estimating Causal Effects

> Research article (Epidemiology, 2022) · cited 175× · AI/ML

**Wikidata**: [openalex:W4282936782](https://www.wikidata.org/wiki/openalex:W4282936782)  
**Source**: https://4ort.xyz/entity/toward-a-clearer-definition-of-selection-bias-when-estimating-causal-effects