ID#: 26236
Caption:
This image depicts the results of an Ouchterlony double immunodiffusion test, also known as an agar gel immunodiffusion or passive double immunodiffusion assay, conducted to demonstrate the presence of Ascaris antigen placed in the central agar well.
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Content Provider(s): CDC/ Dr. George R. Healy
Creation Date: 1960
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.