Comparative study of sufentanil and fentanyl for anesthesia in neurosurgical procedure
JIAO Jing-hua, CHEN Xiao-guang, MA Hong
Chinese Journal of Contemporary Neurology and Neurosurgery . 2010, (4): 436 -441 .  DOI: 10.3969/j.issn.1672-6731.2010.04.010