Rauwelio, A., I Made Dwi Pramana, Benny Supono, Ida Ayu Apsari Pradnya Niti, William Audi and I Wayan Widana 2024. Supraclavicular Block Using Ultrasonography (USG) Guidance in Ulna Radius Fractures Patients with Moderate Mitral Regurgitation Undergoing ORIF (Open Reduction and Internal Fixation): A Case Report. Bioscientia Medicina : Journal of Biomedicine and Translational Research. 8, 7 (May 2024), 4618-4624. DOI:https://doi.org/10.37275/bsm.v8i7.1032.