ID#: 17886
Caption:
This photograph depicts a close view of what was a rapid plasma reagin (RPR) screening test for syphilis, which indicated a positive result, evidenced by the presence of the coagglutination of charcoal/antibody particles, on the periphery of this sample suspension (red arrow).
High Resolution: Click here for hi-resolution image (18.35 MB)
Content Provider(s): CDC/ M. Rein
Creation Date: 1978
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.