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  1. Comparison of impedance measured by the forced oscillation technique and pulmonary functions, including static lung compliance, in obstructive and interstitial lung disease
  2. Efficacy of tiotropium and olodaterol combination therapy on dynamic lung hyperinflation evaluated by hyperventilation in COPD: an open-label, comparative before and after treatment study
  3. Instability of nocturnal parasympathetic nerve function in patients with chronic lung disease with or without nocturnal desaturation
  4. A randomized trial of symptom-based management in Japanese patients with COPD
  5. Diversity of respiratory impedance based on quantitative computed tomography in patients with COPD
  6. Efficacy of tiotropium and indacaterol monotherapy and their combination on dynamic lung hyperinflation in COPD: a random open-label crossover study
  7. Pulmonary function impairment in patients with combined pulmonary fibrosis and emphysema with and without airflow obstruction
  8. A study to assess COPD Symptom-based Management and to Optimise treatment Strategy in Japan (COSMOS-J) based on GOLD 2011
  9. Sputum eosinophilia can predict responsiveness to inhaled corticosteroid treatment in patients with overlap syndrome of COPD and asthma
  10. Comparison of efficacy of long-acting bronchodilators in emphysema dominant and emphysema nondominant chronic obstructive pulmonary disease