# Case–control studies can be useful but have many limitations

> Research article (BJOG An International Journal of Obstetrics & Gynaecology, 2018) · cited 21× · AI/ML

**Wikidata**: [openalex:W2809033326](https://www.wikidata.org/wiki/openalex:W2809033326)  
**Source**: https://4ort.xyz/entity/casecontrol-studies-can-be-useful-but-have-many-limitations