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plasma thromboplastin antecedent

plasma thromboplastin antecedent in Medicine

plasma thromboplastin antecedent n.
Abbr. PTA
See factor XI.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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