after massive liver injury with acetaminophen , subcoma doses of hepatic failure toxins ( nh+4 , dimethyl disulfide [ -- -- methanethiol ] , octanoic acid ) depressed liver thymidine kinase ( tk ) activity by 78 % , 85 % , and 90 % , respectively , and ornithine decarboxylase ( odc ) activity by 40 % , 83 % , and 78 % , respectively .
C0085605
hepatic failure
C0023884
liver