Fractional Exhaled Nitric Oxide Guided-Therapy in Chronic Obstructive Pulmonary Disease: A Stratified, Randomized, Controlled Trial Kang-Cheng Su; Hsin-Kuo Ko; Yi-Han Hsiao; Kun-Ta Chou; Yen-Wen Chen; Wen-Kuang Yu; Sheng-Wei Pan; Jia-Yih Feng; Diahn-Warng Perng;

The Accuracy of PUMA Questionnaire in Combination With Peak Expiratory Flow Rate to Identify At-risk, Undiagnosed COPD Patients Kang-Cheng Su; Yi-Han Hsiao; Hsin-Kuo Ko; Kun-Ta Chou; Tien-Hsin Jeng; Diahn-Warng Perng;

Patterns of Physical Activity Progression in Patients With COPD Maria Koreny; Heleen Demeyer; Marta Benet; Ane Arbillaga-Etxarri; Eva Balcells; Anael Barberan-Garcia; Elena Gimeno-Santos; Nicholas S. Hopkinson; Corina De Jong; Niklas Karlsson; Zafeiris Louvaris; Michael I. Polkey; Milo A. Puhan; Roberto A. Rabinovich; Robert Rodríguez-Roisin; Pere Vall-Casas; Ioannis Vogiatzis; Thierry Troosters; Judith Garcia-Aymerich;