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

Searching for Inflammatory and Oxidative Stress Markers Capable of Clustering Severe Asthma Giovanna E. Carpagnano, Giulia Scioscia, Donato Lacedonia, Piera Soccio, Carla M.I. Quarato, Grazia Cotugno, Maria G. Palumbo, Maria P. Foschino Barbaro

Identification of Fractional Exhaled Nitric Oxide Cutoff Values for the Diagnosis of Asthma Belen Muñoz-Sanchez, Antonio León-Lloreda, Auxiliadora Romero-Falcon, Juan F. Medina-Gallardo, Jose Luis Lopez-Campos, Francisco J. Alvarez-Gutierrez