['asthma']
['fluticasone/formoterol bai', 'formoterol', 'fluticasone/formoterol pmdi without spacer', 'fluticasone/formoterol pmdi with spacer', 'fluticasone/formoterol pmdi without spacer low dose']

        Inclusion Criteria:

          -  Male or female subjects aged 18 years or over.

          -  Healthy and free of significant abnormal findings as determined by medical history,
             physical examination, vital signs, laboratory tests and ECG.

          -  Normal lung function (FEV1 >90% of predicted normal value).

          -  Demonstrate satisfactory technique in the use of the study drug devices.

          -  No use of steroid medication (systemic or topical) within 8 weeks prior to study
             screening.

        Exclusion Criteria:

          -  Subjects who use any asthma medication or are knowingly regularly exposed to asthma
             medication.

          -  Any history of drug or alcohol abuse.

          -  Any history of conditions that might interfere with drug absorption, distribution,
             metabolism or excretion.

          -  History of asthma, COPD, or other bronchial or lung diseases.

          -  User of steroid medication (systemic or topical) within 8 weeks prior to study
             screening.
      