Analysis of the median effective dose and adverse effects of methylene blue combined with ropivacaine for fascia iliaca compartment block in postoperative analgesia in elderly patients undergoing hip arthroplasty

江苏省老年医学研究所主办
中国科技论文统计源期刊
中国科技核心期刊

ZHANG Yang, YANG Shun, LU Ziru, SHA Lili

Practical Geriatrics . 2026, (2): 154 -158 . DOI: 10.3969/j.issn.1003-9198.2026.02.010