# Ultrasound-Assisted Versus Landmark-Guided Spinal Anesthesia in Patients With Abnormal Spinal Anatomy: A Randomized Controlled Trial

> Research article (Anesthesia & Analgesia, 2019) · cited 74× · AI/ML

**Wikidata**: [openalex:W2997045602](https://www.wikidata.org/wiki/openalex:W2997045602)  
**Source**: https://4ort.xyz/entity/ultrasound-assisted-versus-landmark-guided-spinal-anesthesia-in-patients-with-abnormal-spinal-anatomy-a-randomized-contr