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Updated: Aug 19, 2026

Measurement of Factor V Activity in Human Plasma Using a Microplate Coagulation Assay
Published on: September 9, 2012
Falsely prolonged prothrombin time due to an inhibitor to human thromboplastin
Abstract:
A patient with nephrotic syndrome of unknown aetiology was found to have a grossly prolonged prothrombin time in the absence of any other coagulation abnormality and with no clinical bleeding problem. Subsequent investigations showed his plasma contained an inhibitor-like substance, directed against human but not animal thromboplastin.
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