Chronic obstructive pulmonary disease (COPD) can result from chronic bronchitis or emphysema. Some people may also have COPD and asthma, which can worsen both conditions. Chronic obstructive ...
MMWR Morb Mortal Wkly Rep 2. Centers for Disease Control and Prevention. Chronic obstructive pulmonary disease surveillance–UnitedStates, 1971-2000. . 2002;51:1-20. Vital Health Stat 3.
Chronic obstructive pulmonary disease (COPD) is an inflammatory lung disease, comprising several conditions, including chronic bronchitis and emphysema. Symptoms include breathlessness ...
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