Partial Thromboplastin Time: How To Prepare


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How To Prepare


Many medicines can change the results of this test. Be sure to tell your doctor about all the nonprescription and prescription medicines you take.



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Last updated: September 15, 2008
Author: Robin Parks, MS
Reviewed By: Anne C. Poinier, MD - Internal Medicine, Brian Leber, MDCM, FRCPC - Hematology
Editors: Maria Essig, Tracy Landauer

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