Assertion: chronic bronchitis | /r/HasSubevent | pneumonia
Facets:
Source sentences:
text: produces blood Untreated, chronic bronchitis can lead to more serious conditions, including pneumonia, emphysema, heart failure, and pulmonary hypertension.
text: Obstructive pulmonary diseases: Chronic bronchitis can lead to pneumonia or chronic obstructive pulmonary diseases.
text: Chronic bronchitis can lead to pneumonia or chronic obstructive pulmonary diseases.