scholarly journals Comparison of ultrasound-guided costoclavicular and supraclavicular brachial plexus block for upper extremity surgery: a propensity score matched retrospective cohort study

2021 ◽  
Vol 10 (1) ◽  
pp. 454-461
Author(s):  
Long Zhang ◽  
Rufa Pang ◽  
Liangguang Zhang
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