https://www.healthcentral.com/article/how-chronic-bronchitis-affects-the-lungs
COPD

How Chronic Bronchitis Affects the Lungs

    John Bottrell

    John Bottrell

    John Bottrell is a registered Respiratory Therapist. He wrote for HealthCentral as a health professional for Asthma and Chronic Obstructive Pulmonary Disease (COPD).