CONCLUSION: Experimental results show that intrathecal pretreatment with diazepam can suppress persistent somatic pain induced by formaldehyde injection in planta of rats, and these data are insignificant in clinical application. 结论:实验结果显示鞘内注射地西泮可以抑制大鼠足底注射甲醛引起的持续性躯体痛,其数据无临床应用意义。