PROBLEM TO BE SOLVED: To mitigate an effect of a component for inhibiting a target antigen-antibody reaction contained in a biological sample in a general immunoassay method, correctly detect a target component in the sample, and measure the target.;SOLUTION: Before the biological sample is provided to an immunoassay, it is mixed with a specimen pretreatment reagent containing a water-soluble ammonium polymer other than an alkylene polyamine.;COPYRIGHT: (C)2011,JPO&INPIT
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