Khan F, Singh VP. A comparative study of intravenous versus perineural administration of dexmedetomidine in supraclavicular brachial plexus block using 0.75% ropivacaine by ultrasound guided technique in upper limb surgeries. Int J Res Med Sci [Internet]. 2018 Jun. 25 [cited 2025 Oct. 12];6(7):2407-13. Available from: https://www.msjonline.org/index.php/ijrms/article/view/5000