'Chronic bronchitis is part of COPD, which stands for chronic obstructive this disease'
pulmonary
MED. ABBREV.: Chronic bronchitis is part of COPD, which stands for chronic obstructive this disease
Chronic bronchitis is part of COPD, which stands for chronic obstructive this disease
Chronic bronchitis is part of COPD, which stands for chronic obstructive this disease
MED. ABBREV.
pulmonary
MED. ABBREV.