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Updated: Aug 14, 2026

Dried Blood Spots - Preparing and Processing for Use in Immunoassays and in Molecular Techniques
Published on: March 13, 2015
Evaluation of tests for antibody to hepatitis B surface antigen (anti-HBs)
Abstract:
Participants in the American Association of Blood Banks--College of American Pathologists (AABB-CAP) HBsAg Survey Program primarily use a radioimmunoassay (RIA) method for detection of anti-HBs in samples found to be surface antigen-negative. Although this is a new procedure for most laboratories, survey results indicate excellent proficiency.
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