Article controlled study 128 nonhuman 108 human 79 male 70 unclassified drug 68 oxidative stress 67 metabolism 52 Humans 46 animal experiment 46 chemistry 43 animal model 40 Animals 35 animal 35 animal tissue 35 adult 34 female 33 rat 32 Male 31 antioxidant 27 protein expression 27 antioxidant activity 25 drug effect 24 nitric oxide 24 mouse 23 oxidation 22 plant extract 22 reactive oxygen metabolite 22 Antioxidants 20 malonaldehyde 20