# Evolutionary analyses of visual opsin genes in frogs and toads: Diversity, duplication, and positive selection

> Research article (Ecology and Evolution, 2022) · cited 23× · AI/ML

**Wikidata**: [openalex:W4210897938](https://www.wikidata.org/wiki/openalex:W4210897938)  
**Source**: https://4ort.xyz/entity/evolutionary-analyses-of-visual-opsin-genes-in-frogs-and-toads-diversity-duplication-and-positive-selection