Fig. 2From: Sex affects the response of Wistar rats to polyvinyl pyrrolidone (PVP)-coated silver nanoparticles in an oral 28 days repeated dose toxicity studyThe Ag content in a urine and b feces of male (gray columns) and female (white columns) rats after administration of LD and HD of PVP-AgNPs. Error bars: SD. *p < 0.05 between controls (Ctl) and treated animals (for both LD and HD groups)Back to article page