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Specificity of human antibodies eluted from ASA and sTNF-R affinity columns. Affinity-purified human anti-ASA (open columns) and human anti-sTNF-R (solid columns) antibodies (10 μg/ml) were added to wells of a microtiter plate coated with different proteins. Detection of bound antibodies was accomplished by ELISA. RBP, riboflavin-binding protein.
