Comparative Study on Tramadol and Opioids in Patient-controlled Epidural Analgesia
HUANG Jinyi
HUANG Fengxing
L(U) Changheng
HUANG Zehan
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Publication Date：2005-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：3( 647-649 )