Estimated Worldwide Prevalence of the PI*ZZ Alpha-1 Antitrypsin Genotype in Subjects With Chronic Obstructive Pulmonary Disease Ignacio Blanco; Isidro Diego; César Castañón; Patricia Bueno; Marc Miravitlles;

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;

Effectiveness and Safety of Inhaled Antibiotics in Patients With Chronic Obstructive Pulmonary Disease. A Multicentre Observational Study David De la Rosa Carrillo; Miguel Ángel Martínez-García; Esther Barreiro; Eva Tabernero Huguet; Roser Costa Sola; Marta María García-Clemente; Nuria Celorrio Jiménez; Laura Rodríguez Pons; Carmen Calero Acuña; Juan Luís Rodríguez Hermosa; Rafael Golpe; Raquel Dacal Quintas; Silvia Sánchez-Cuéllar; Irene Torres Arroyo; Marina Blanco Aparicio; Virginia Almadana Pacheco; Marc Miravitlles;