The ISI/INR system.
Woodhams
B
B
D001774:Blood Chemical Analysis / Q000295:instrumentation; D006801:Humans; D007202:Indicators and Reagents; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D013925:Thromboplastin / Q000032:analysis*
D007202:Indicators and Reagents; D013925:Thromboplastin