舒芬太尼复合罗哌卡因蛛网膜下腔和硬膜外联合麻醉分娩镇痛对新生儿的影响
서분태니복합라고잡인주망막하강화경막외연합마취분면진통대신생인적영향
Effects of combined subarachnoid and epidural analgesia using sufentanil plus ropivacaine on neonates
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