51.0 MB (4.7 MB compressed)
5162 x 3451 pixels
43.7 x 29.2 cm ⏐ 17.2 x 11.5 in (300dpi)
BIODISC, VISUALS UNLIMITED / SCIENCE PHOTO LIBRARY BIODISC, VISUALS UNLIMITED / SCIENCE PHOTO LIBRARY
Bronchial asthma in a lung section. Asthma is a chronic respiratory disease that is characterized by inflammation of the lower airways that leads to airflow obstruction that makes breathing extremely difficult. LM X15.
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