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标题: Fentanyl versus tramadol with levobupivacaine for combined spinal-epidural an... [打印本页]

作者: 819682320 时间: 2019-4-2 18:40
标题: Fentanyl versus tramadol with levobupivacaine for combined spinal-epidural an...

题名	Fentanyl versus tramadol with levobupivacaine for combined spinal-epidural analgesia in labor
链接	http://xueshu.baidu.com/usercenter/paper/show?paperid=4b704362f3c65f699f213988fe26be18

本帖最后由 lo7ve77 于 2019-4-4 00:40 编辑

作者: zbgood2009 时间: 2019-4-2 18:40
本帖最后由 lo7ve77 于 2019-4-29 01:52 编辑

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