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![Mechanism of allergy (drug,hay fever, asthma)](http://d3e1m60ptf1oym.cloudfront.net/5fe02628-0753-11e3-aa84-4b17e836b25b/allergy_large.jpg)
Mechanism of allergy (drug,hay fever, asthma)
© Alila Medical Media
Image size: 20.0 Mpixels (57.2 MB uncompressed) - 5000x4000 pixels (16.7x13.3 in / 42.3x33.9 cm at 300 ppi)
![The cells of the blood](http://d3e1m60ptf1oym.cloudfront.net/891f1014-0841-11e3-9e71-c3b78009d24e/blood_cell_types_large.jpg)
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