论文信息 - Chronic Bronchitis Predicts Greater Frequency And Severity Of COPD Exacerbations In Moderate To Severe COPD - 字舞流文

Chronic Bronchitis Predicts Greater Frequency And Severity Of COPD Exacerbations In Moderate To Severe COPD

Meilan K. Han | E. Regan | R. Bowler | V. Kim | B. Make | E. Silverman | J. Crapo | F. Martinez | G. Criner | T. Rogers | M. Han