['healthy']
['ticagrelor']

        Inclusion Criteria:

          1. Age: 18 - 45 years;

          2. Sex: male and female;

          3. Ethnicity: Chinese;

          4. Good health as evidenced by the results of physical examination, vitals signs,
             electrocardiogram, and clinical laboratory test results, but there were exceptions if
             an abnormal value was considered not to be clinical significance;

          5. Written informed consent.

        Exclusion Criteria:

          1. Any conditions known to interfere with the absorption, distribution, metabolism or
             excretion of drugs;

          2. Intolerance or hypersensitivity to drugs whose mechanism is similar to that of
             ticagrelor;

          3. Any history of taking medicines within half a month before enrollment;

          4. Any history of whole blood transfusion within 2 months, blood elements transfusion or
             blood donation within 1 months before enrollment;

          5. Participation in a clinical study within 3 months before enrollment;

          6. Abuse of caffeine (> 5 units/day), alcohol(> 21 units /week), smoking(> 10
             cigarettes/day);

          7. Positive serology for Hbs antigen and HIV;

          8. History of coagulation disorders.
      