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  Indian J Med Microbiol
 

Figure 3: The inhibitory rate of the ethanolic extract of toad skins from six different regions on (a) SPC-A-1 cells and (b) A549 cells. Data expressed as mean SD (n = 3). *p < 0.05 and **p < 0.01, p < 0.05 and p < 0.01, #p < 0.05 versus the ethanolic extract of toad skins from Jiangsu province at concentration of 500, 100 and 10 ?g crude drug / mL, respectively

Figure 3: The inhibitory rate of the ethanolic extract of toad skins from six different regions on (a) SPC-A-1 cells and (b) A549 cells. Data expressed as mean  SD (n = 3). *p < 0.05 and **p < 0.01, p < 0.05 and p < 0.01, #p < 0.05 versus the ethanolic extract of toad skins from Jiangsu province at concentration of 500, 100 and 10 ?g crude drug / mL, respectively