Antiseptic solutions for central neuraxial blockade: which concentration of chlorhexidine in alcohol should we use?

枢神经阻滞时溶解于的腐剂氯己定浓度应为多少？

The study suggests that the chlorhexidine varnish system is effective of anticaries and can maintain microflora balance in oral bacteria.

提示本涂料系统有龋功效，同时能维持口腔菌系平衡。