The comparison between effects of different doses of Melissa officinalis (MO) versus Atorvastatin on activities (IU/L) of serum liver enzymes of alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP) and cholesterol in hypercholesterolemia rats. Here, GPT is linked to Hypercholesterolemia.