Effects of double vs triple injection on block dynamics for ultrasound-guided intertruncal approach to the supraclavicular brachial plexus block in patients undergoing upper limb a... oleh Quehua Luo, Huiying Liu, Longjiao Deng, Lidan Nong, Haifeng Li, Yujing Cai, Junyi Zheng, Haihua Shu, Weifeng Yao, Jianxing Zhang