A method of detecting {HEAD ~ a complementary member} of {TAIL ~ a specific binding pair} in a sample, comprising: 
of
A method of detecting { HEAD ~ a complementary member } of { TAIL ~ a specific binding pair } in a sample , comprising :
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH