Figure 5From: Effects of Panax ginseng-containing herbal plasters on compressed intervertebral discs in an in vivo rat tail modelHistological grades of the target disc ( i.e. , caudal 8–9) and control discs ( i.e. , caudal 6–7 and 10–11) of the three experimental groups. The standard errors are shown as error bars and significant differences relative to the corresponding target disc are marked with asterisks.Back to article page