(source) bronchitis Bronchitis webmd.com webmd.com http://www.webmd.com/lung/tc/acute-bronchitis-topic-overview webmd.com Bronchitis Bronchitis Acute Bronchitis bronchitis bronchitis Common conditions such as bronchitis webmd.com webmd.com webmd.com http://www.webmd.com/lung/tc/acute-bronchitis-topic-overview [webmd.com]