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Professional
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MERCK MANUAL
Consumer Version
HEALTH TOPICS
HEALTHY LIVING
SYMPTOMS
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HEALTH TOPICS
HEALTHY LIVING
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Lab Tests
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Partial Thromboplastin Time (PTT) Test
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In these topics
Gastrointestinal Bleeding
Liver Blood Tests
Overview of Blood Clotting Disorders
Laboratory Tests for Blood Disorders
Bruising and Bleeding