How does the potency of atorvastatin s hmg coa reductase inhibition compare to that of lipitor s generic version?

Other Questions About Atorvastatin :  How does atorvastatin s hmg coa reductase inhibition compare to lipitor s in terms of potency? Is atorvastatin as potent as lipitor in inhibiting hmg coa reductase? How does atorvastatin s hmg coa reductase inhibition compare to lipitor s in terms of potency?