Giddings, J C Protocol for the evaluation of automated blood coagulation instruments (coagulometers) for determination of the international normalised ratio. [electronic resource] - Medical laboratory sciences Jan 1989 - 39-44 p. digital Publication Type: Journal Article ISSN: 0308-3616 Subjects--Topical Terms: AutoanalysisBlood Coagulation Tests--instrumentationBlood Specimen Collection--methodsEquipment SafetyHematology--standardsHumansIndicators and Reagents