Bronchitis

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Photo credit: © Science History Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: abnormal, art, background, bacterial, blue, breathing, bronchi, bronchial, bronchitis, clogged, disease, healthy, illustration, infection, inflamed, inflammation, mucous, mucus, normal, obstruction, pulmonary, respiratory, secretion, swelling, system, tube, unhealthy, viral