bilirubin upper normal limit total uln institutional times gilberts syndrome 
aminotransferase ast alt aspartate alanine uln upper normal limit times 
limits normal institutional bilirubin total upper creatinine serum potassium uln 
normal limit upper creatinine uln serum times institutional alt ast 
creatinine uln serum times institutional renal days registration obtained prior 
liver uln disease metastases chronic cirrhosis alt ast hepatitis patients 
alkaline phosphatase uln limit normal upper liver alp times bone 
wort st phenytoin carbamazepine phenobarbital cypa rifampin johns inducers rifabutin 
lipase amylase uln serum pancreatitis radiologic normal clinical pancreatic evidence