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;

Lung Diffusing Capacity Improves the Prognostic Validity of the GOLD Spirometric Staging in COPD Ciro Casanova; Enrique Gonzalez-Dávila; Juan P. de Torres; Carlos Cabrera; Borja G. Cosio; Denis E. O¿Donnel; Cristina Martínez-Gonzalez; Ingrid Solanes; Antonia Fuster; Carolina Gotera; Alicia Marin; Carlos Amado; Marta Iscar; José M. Marin; José Alberto Neder; Nuria Feu; Joan B. Soriano; José Luis López-Campos; Miguel Divo; Germán Peces-Barba; Bartolomé R. Celli;

Metabolic Changes After Bronchoscopic Lung Volume Reduction With Endobronchial Valves in COPD Patients Marieke C. van der Molen; Rein Posthuma; Anouk W. Vaes; Martijn A. Spruit; Harry R. Gosker; Alain R. Viddeleer; Tineke P. Willems; Lowie E.G.W. Vanfleteren; Dirk-Jan Slebos; Jorine E. Hartman;