Impaired Ventilatory Efficiency Identifies High-Risk Mild-to-Moderate Chronic Obstructive Pulmonary Disease Zhishan Deng; Fan Wu; Qi Wan; Cuiqiong Dai; Lifei Lu; Zihui Wang; Kunning Zhou; Xiaohui Wu; Gaoying Tang; Huajing Yang; Jieqi Peng; Suyin Huang; Guannan Cai; Fangyan Wu; Junfeng Lin; Xiaoyu Wang; Changli Yang; Yongqing Huang; Rongchang Chen; Nanshan Zhong; Yumin Zhou; Pixin Ran;

Triple Therapy and Clinical Control in B+ COPD Patients: A Pragmatic, Prospective, Randomized Trial Alvar Agusti; José Luis Lopez-Campos; Marc Miravitlles; Juan Jose Soler-Cataluña; Jose Maria Marin; Borja G. Cosio; Bernardino Alcázar-Navarrete; Jose Maria Echave-Sustaeta; Ciro Casanova; German Peces-Barba; Juan Pablo de-Torres; Alberto Fernandez-Villar; Julio Ancochea; Felipe Villar-Alvarez; Miguel Roman-Rodriguez; Jesus Molina; Juan Luis Garcia-Rivero; Cruz Gonzalez; Patricia Sobradillo; Rosa Faner; Carolina Peña; Raj Sharma; José Luis Izquierdo; Bartolome R. Celli;

N-acetylcysteine Treatment in Chronic Obstructive Pulmonary Disease (COPD) and Chronic Bronchitis/Pre-COPD: Distinct Meta-analyses Alberto Papi; Franco Alfano; Tommaso Bigoni; Lorenzo Mancini; Amal Mawass; Federico Baraldi; Cristina Aljama; Marco Contoli; Marc Miravitlles;