Comparisons of anesthetic effects between sufentanil and ropivacaine in breast conserving operation for breast cancer

FENG Yan-hua,CHEN Sheng-yue,YANG Xue-ling,QUE Yuan-yuan,HE Qi-tong,MA Hai-chun

Journal of Jilin University(Medicine Edition) . 2011, (4): 727 -732 .