For decades, syphilis testing meant first screening a patient with a nontreponemal test, such as the rapid plasma reagin (RPR) test, which identifies recent or untreated syphilis but can yield ...
After a 2-day training course at the Venereal Disease Research Laboratory, 28 nontechnical venereal disease investigators performed the rapid plasma reagin card test on more than 3,900 persons. The ...
Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage ...
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