s-adenosylmethionine : s-adenosylhomocysteine ( sam/sah ) ratio , 5-methylcytosine ( 5mc ) dna content , and methylation and expression of c-myc , c-ha-ras and c-ki-ras have been studied in liver nodules , induced by diethylnitrosamine according to the 'resistant hepatocyte ' model , and in regenerating liver ( rl ) between 0.5 and 72 h after partial hepatectomy ( ph ) .
C0023884
liver
C0193398
partial hepatectomy