_:vb50954586 . _:vb50954586 . _:vb50954586 "url:http://www.nhlbi.nih.gov/health/dci/Diseases/brnchi/brnchi_whatis.html"^^ . _:vb50954586 "url:http://www2.merriam-webster.com/cgi-bin/mwmednlm?book=Medical&va=bronchitis"^^ . _:vb50954586 . _:vb50954586 . _:vb50954586 "url:http://www.nlm.nih.gov/medlineplus/bronchitis.html"^^ . _:vb50954586 . _:vb50954586 . _:vb50954586 . _:vb50954586 "A bronchial disease that is an inflammation of the bronchial tubes. It is caused by bacteria and viruses. The disease has_symptom cough with mucus, has_symptom shortness of breath, has_symptom low fever and has_symptom chest tightness."^^ .