- The screening laboratory test must meet the following criteria: white blood cell count >5x10/L; absolute neutrophil count >1x10/L; platelet count >50x10/L; haemoglobin >100 g/L; serum creatinine <2 mg/dl; aspartate aminotransferase < 3 times the upper normal limit; alanine aminotransferase <3 times the upper normal limit; alkaline phosphatase < 2 times the upper normal limit, γ-GT< 2 times the upper normal limit