The severity of COPD including the airflow limitation grade and the presence of pulmonary emphysema were independently associated with the development of severe pneumonia.
The severity of COPD including the airflow limitation grade and the presence of pulmonaryemphysema were independently associated with the development of severe pneumonia.
Severity of COPD the airflow Limitation including the grade and the Presence of pulmonary emphysema were independently associated with the Development of severe pneumonia.