Assertion: chronic obstructive pulmonary disease | /r/UsedFor | refer to a group of diseases
Facets:
Source sentences:
text: Chronic obstructive pulmonary disease, or COPD, refers to a group of diseases that cause airflow blockage and breathing-related problems.
text: Chronic obstructive pulmonary disease (COPD) refers to a group of diseases that cause airflow blockage and breathing-related problems.
text: Chronic obstructive pulmonary disease (COPD) refers to a group of diseases that cause airflow blockage and breathing-related problems.