# 'Open-System’ electronic cigarettes cannot be regulated effectively

> Research article (Tobacco Control, 2020) · cited 22× · AI/ML

**Wikidata**: [openalex:W3012445967](https://www.wikidata.org/wiki/openalex:W3012445967)  
**Source**: https://4ort.xyz/entity/open-system-electronic-cigarettes-cannot-be-regulated-effectively