31.   One will measure alanine aminotransferase, ALT for short, a liver enzyme.

32.   Patients with elevated liver enzymes must stop using the drug.

33.   Posicor, which is part of a class of medications known as calcium channel-blockers, inhibits certain liver enzymes that enable the body to eliminate other drugs.

34.   Soon after I stopped injecting interferon, my liver enzymes returned to their previous high levels.

35.   That means liver enzymes appear normal and the virus cannot be detected.

36.   The company recommended frequent testing to watch for elevated liver enzymes, an early indicator of trouble.

37.   The label now recommended that patients using the drug have periodic blood tests to monitor liver enzymes.

38.   The only time she showed elevated liver enzymes, a marker of liver failure, was while she was on Rezulin, Gwyther said.

39.   The results showed high levels of certain liver enzymes, and Hirsch told me that this was an indication of possible liver disease.

40.   The test is an indirect way of identifying hepatitis and is known as ALT for the liver enzyme alanine aminotransferase that it measures.