... of series vacuum blood sampling.1. Clinical biochemical test: total bilirubin, direct bilirubin, ammonium nitrogen, ammonium ... and differential leukocyte count. Hemoglobin, hematocrite.4. Blood coagulation test (fibribolytic system): prothrombin time, thrombin time(TT), activated ... lithium, heparin sodium: rapid bio-chemical test, immune serum examination and hemorheology examination. Vacuum tube