Measurement of blood heparin levels--variation in results with assay method.
D001780:Blood Coagulation Tests / Q000379:methods; D002863:Chromogenic Compounds; D006493:Heparin / Q000097:blood* / Q000627:therapeutic use; D006801:Humans; D013918:Thrombin Time
D002863:Chromogenic Compounds; D006493:Heparin