# Development of ADHD: Etiology, Heterogeneity, and Early Life Course

> Research article (Annual Review of Developmental Psychology, 2020) · cited 154× · AI/ML

**Wikidata**: [openalex:W3094155593](https://www.wikidata.org/wiki/openalex:W3094155593)  
**Source**: https://4ort.xyz/entity/development-of-adhd-etiology-heterogeneity-and-early-life-course
