CAROL & MIKE WERNER, VISUALS UNLIMITED / SCIENCE PHOTO LIBRARY CAROL & MIKE WERNER, VISUALS UNLIMITED / SCIENCE PHOTO LIBRARY
Biomedical illustration of the human head showing the mouth, nose, and throat illustrating allergy symptoms such as irritated, watery eyes, nasal congestion, and itchy, scratchy throat. The stages in the IgE inflammatory cascade are shown.
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