# A Vision “Bolt-On” Item Could Increase the Discriminatory Power of the EQ-5D Index Score

> Research article (Value in Health, 2015) · cited 39× · AI/ML

**Wikidata**: [openalex:W2134220368](https://www.wikidata.org/wiki/openalex:W2134220368)  
**Source**: https://4ort.xyz/entity/a-vision-bolt-on-item-could-increase-the-discriminatory-power-of-the-eq-5d-index-score