five antibodies , designated fb01 , fb02 , fb03 , fb04 , and fb00 , were developed and analyzed with respect to affinity and specificity for epitopes on human chorionic gonadotropin ( hcg ) and beta hcg by enzyme-linked immunoabsorbent and radioimmunoassays ( ria ) .
C0018062
human
C0106132
beta hcg