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Results 1 - 2 of 2 for APTT
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  1. Partial thromboplastin time (PTT) is a blood test that looks at how long it takes for blood to clot. It can help tell if you have a ...
  2. ... clotting tests may include: Activated partial thromboplastin time (aPTT) Russell viper venom time Thromboplastin inhibition test Tests ...