aminotransferase times aspartate ast upper alanine normal alt limit serum aminotransferase alanine aspartate ast alt upper normal limit uln institutional transaminase uln aspartate ast alanine alt upper normal limit liver times upper normal limit alt liver ast uln transaminases igm uln aminotransferase bilirubin alt ast aspartate alanine normal upper limit institutional aminotransferase ast aspartate upper normal limit times uln days unl bilirubin aminotransferase upper limit normal serum transaminase ast metastases aminotransferase uln ast alt aspartate alanine liver upper normal limit sgpt upper sgot alt limit normal ast institutional uln liver alanine aminotransferase alt upper limit normal times uln institutional age aspartate ast aminotransferase normal upper limit uln transaminase limits registration