权威例句
...diagnosis and treatment of patients with COPD: ...Standards for the diagnosis and care of patients with chronic obstructive pulmonary disease (COPD) and asthma. This official stateme...Effects of tiotropium on lung hyperinflation, dyspnoea and exercise tolerance in COPD.The TORCH (towards a revolution in COPD health) survival study protocol.Global burden of COPD: risk factors, prevalence, and future trends.International variation in the prevalence of COPD (the BOLD Study): a population-based prevalence study.Global Strategy for the Diagnosis, Management and Prevention of COPD: 2003 updateImprovements in symptom-limited exercise performance over 8 h with once-daily tiotropium in patients with COPD.Factor analysis of exercise capacity, dyspnoea ratings and lung function in patients with severe COPDAcute exacerbation of COPD: factors associated with poor treatment outcome