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Extraction of Tissue Antigens for Functional Assays
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Effect of extraction methods on two pregnancy related, antigenic components of human chorionic gonadotropin

J M Yoder, P K Johnson

    Clinica Chimica Acta; International Journal of Clinical Chemistry
    |June 20, 1975
    PubMed

    Abstract:

    One of the pregnancy related, antigenic components of HCG preparations is not readily detected in kaolin extracts of pregnancy urines; it is however, readily detected in these urines when concentrated by lyophilization or in their benzoic acid extracts.

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