immobilised 2c2 and radiolabelled ( 125i ) ak12 produced a system that had a sensitivity of 0.4 ng/ml ugp and cross-reactivity ( 50 % maximum binding ) of 2 % for the hcg beta-subunit and less than 1 % for hcg , hlh and the hcg alpha-subunit .
C0018062
hcg
C0017963
hcg