van den Besselaar, A M Multicenter evaluation of lyophilized and deep-frozen plasmas for assignment of the International Normalized Ratio. [electronic resource] - Thrombosis and haemostasis Nov 1999 - 1451-5 p. digital Publication Type: Comparative Study; Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't ISSN: 0340-6245 Subjects--Topical Terms: AnimalsAnticoagulants--pharmacologyBlood Preservation--methodsCalibrationCoumarins--pharmacologyCryopreservationEvaluation Studies as TopicFreeze DryingHumansInternational Normalized Ratio--standardsPlasma--physiologyProthrombin TimeRabbitsReference StandardsReproducibility of Results