{HEAD ~ Amplification} of {TAIL ~ that antibody antigen response} to increase the level of detection can be accomplished with a variety of markers producing either a fluorescent, ultraviolet, visible, chemiluminescent, gravimetric, amperometric, voltametric, or radioactive response 
{ HEAD ~ Amplification } of { TAIL ~ that antibody antigen response } to increase the level of detection can be accomplished with a variety of markers producing either a fluorescent , ultraviolet , visible , chemiluminescent , gravimetric , amperometric , voltametric , or radioactive response
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