# A comparative study of ultrasound assisted versus landmark technique for combined spinal-epidural anaesthesia in patients undergoing lower limb orthopaedic surgery

> Research article (Indian Journal of Anaesthesia, 2022) · cited 13× · AI/ML

**Wikidata**: [openalex:W4225828640](https://www.wikidata.org/wiki/openalex:W4225828640)  
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