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[Experiences with the use of a lyophilized reference plasma for calibrating the determination of thromboplastin time
Abstract:
Experiences are notified about production and employment of a lyophilised standard plasma for designation of thromboplastin time-value in the district Magdeburg. In addition to testing the homogeneity and the methodology for declaration the 100% - value results of ring tests are exhibited, which underline the necessity of a unitary standard plasma pool, secured to various criterions.