DOI: 10.1055/s-00000059

Pneumologie

References

Burgel PR, Nesme-Meyer P, Chanez P. et al.
Cough and sputum production are associated with frequent exacerbations and hospitalizations in COPD subjects.

Chest 2009;
135: 975-982

Burgel PR, Nesme-Meyer P, Chanez P. et al.
Cough and sputum production are associated with frequent exacerbations and hospitalizations in COPD subjects.

Chest 2009;
135: 975-982

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