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Kobayashi Y, Yasuba H, Kudou M, Kita H. Addition of Transdermal or Inhaled Long-Actingβ2-Agonists in Adult Asthmatic Patients Treated with Inhaled Corticosteroids: Switchover Study from Tulobuterol Patch to Salmeterol Dry Powder Inhaler. Journal of Asthma. 2007 Jan;44(2):77–81. doi: 10.1080/02770900601180321. |