Obtainment and Determination of a Specific Anti-HCG Serum
Bittaker, Henry F.
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Five rabbits and three guinea pigs were immunized with two different purities or HCG. Antisera were obtained and tested for characteristics of titer, sensitivity, and specificity versus LH, FSH, and TSH. One highly specific anti-HCG antiserum was obtained and tested against normals and . patients whose plasma was known to contain high levels of HCG, LB, FSH, and TSH hormone. Displacement of patients' plasma, except tor high HCG containing plasma, was minimal, as measured by radioimmunoassay, with all high LH, FSH, and TSH producers displacing only as much as normal plasma.