4 dimethylaminoazobenzene article 26 Male 24 Mice 24 mouse 24 p-Dimethylaminoazobenzene 24 nonhuman 22 Animals 20 animal tissue 20 male 20 animal experiment 18 animal model 18 liver carcinogenesis 18 Carcinogens 16 Hepatocarcinogenesis 16 controlled study 16 oxidative stress 16 Liver Neoplasms, Experimental 12 Oxidative stress 12 priority journal 12 5 aminolevulinate synthase 10 5-Aminolevulinate Synthetase 10 Heme Oxygenase (Decyclizing) 10 Liver 10 animal cell 10 heme oxygenase 10 Animalia 8 Glutathione Transferase 8 Heme Oxygenase-1 8 Mice, Inbred Strains 8