No abstract available
MeSH terms
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Biomarkers / metabolism
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Blood Coagulation Tests / methods
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Blood Coagulation Tests / standards
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Clinical Laboratory Techniques / methods
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Clinical Laboratory Techniques / standards*
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Electrocardiography / standards
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Endoscopy, Gastrointestinal*
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Hematocrit / standards
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Hemoglobins / metabolism
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Humans
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Pregnancy Tests
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Urinalysis / standards