# How many times should a cluster randomized crossover trial cross over?

> Research article (Statistics in Medicine, 2019) · cited 29× · AI/ML

**Wikidata**: [openalex:W2971359975](https://www.wikidata.org/wiki/openalex:W2971359975)  
**Source**: https://4ort.xyz/entity/how-many-times-should-a-cluster-randomized-crossover-trial-cross-over