According to the immunoassay of the present invention, {HEAD ~ the reagent composition} is mixed with {TAIL ~ a sample} containing antigen to be determined 
is mixed with
According to the immunoassay of the present invention , { HEAD ~ the reagent composition } is mixed with { TAIL ~ a sample } containing antigen to be determined
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH