# Comparison of single-injection ultrasound-guided approach versus multilevel landmark-based approach for thoracic paravertebral blockade for breast tumor resection: a retrospective analysis at a tertiary care teaching institution

> Research article (Journal of Pain Research, 2017) · cited 13× · AI/ML

**Wikidata**: [openalex:W2724352752](https://www.wikidata.org/wiki/openalex:W2724352752)  
**Source**: https://4ort.xyz/entity/comparison-of-single-injection-ultrasound-guided-approach-versus-multilevel-landmark-based-approach-for-thoracic-paraver