sgpt pyruvate glutamate transaminase serum normal upper limit uln iu 
pyruvate sgpt glutamate transaminase alt alanine uln aminotransferase upper limit 
pyruvate glutamate sgpt transaminase alanine alt aminotransferase upper normal serum 
sgpt purpose transaminase pyruvate uln glutamate alt alanine aminotransferase serum 
pyruvate sgpt glutamate transaminase alt alanine aminotransferase serum uln institutional