Mucolytics in Chronic Obstructive Pulmonary Disease: The Return of a Long-forgotten Therapy? Juan José Soler-Cataluña; Marta Solé Delgado;

New Classifications of COPD Severity Based on Impulse Oscillometry: A SAIO Grade Base on ECOPD Cohort in China Lifei Lu; Qi Wan; Gaoying Tang; Fan Wu; Zhishan Deng; Jieqi Peng; Cuiqiong Dai; Kunning Zhou; Xiaohui Wu; Shuqing Yu; Yongqing Huang; Changli Yang; Shengtang Chen; Pixin Ran; Yumin Zhou;

Five-Repetition Sit-to-Stand Test as Predictor of Mortality in High Risk COPD Patients Roberto Bernabeu-Mora; Elisa Valera-Novella; Elodia Teresa Bernabeu-Serrano; Juan José Soler-Cataluña; Myriam Calle-Rubio; Francesc Medina-Mirapeix;