Brien, William F In-house calibration of the international sensitivity index or calibration curve for determination of the international normalized ratio. [electronic resource] - Archives of pathology & laboratory medicine Mar 2004 - 308-12 p. digital Publication Type: Comparative Study; Evaluation Study; Journal Article ISSN: 1543-2165 Standard No.: 10.5858/2004-128-308-ICOTIS doi Subjects--Topical Terms: CalibrationHumansInternational Normalized Ratio--standardsProthrombin Time--standards