antiserum(redirected from polyvalent antiserum)
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blood serum containing antibodies against a specific antigen, used to treat or provide immunity to a disease
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The serum component of blood that contains antibodies specific to one or more antigens.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.