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tetanus-diphtheria toxoids vaccine

n.
  1. One of the forms of the diphtheria, tetanus toxoids, and pertussis vaccine, containing tetanus and diphtheria toxoids and used to immunize against tetanus and diphtheria.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.