# Impact of including or excluding both-armed zero-event studies on using standard meta-analysis methods for rare event outcome: a simulation study

> Research article (BMJ Open, 2016) · cited 162× · AI/ML

**Wikidata**: [openalex:W2508934593](https://www.wikidata.org/wiki/openalex:W2508934593)  
**Source**: https://4ort.xyz/entity/impact-of-including-or-excluding-both-armed-zero-event-studies-on-using-standard-meta-analysis-methods-for-rare-event-ou