# Grading facial expression is a sensitive means to detect grimace differences in orofacial pain in a rat model

> Research article (Scientific Reports, 2018) · cited 47× · AI/ML

**Wikidata**: [openalex:W2890252047](https://www.wikidata.org/wiki/openalex:W2890252047)  
**Source**: https://4ort.xyz/entity/grading-facial-expression-is-a-sensitive-means-to-detect-grimace-differences-in-orofacial-pain-in-a-rat-model