Laboratory of Immunology, Jiangxi Institute of Medical Science, Nanchang 330006, China;
Laboratory of Immunology, Jiangxi Institute of Medical Science, Nanchang 330006, China;
Laboratory of Immunology, Jiangxi Institute of Medical Science, Nanchang 330006, China;
Laboratory of Immunology, Jiangxi Institute of Medical Science, Nanchang 330006, China;
Laboratory of Immunology, Jiangxi Institute of Medical Science, Nanchang 330006, China;
Laboratory of Immunology, Jiangxi Institute of Medical Science, Nanchang 330006, China;
egg yolk extraction, hepatitis B virus, specific transfer factor, immunological activity;