L Barna-Cler

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The Lupus Ratio (LR) test for lupus anticoagulants integrates screening, mixing with normal plasma and confirmation procedures into one assay. The sensitivity and reproducibility of the APTT based version of this assay was tested in an interlaboratory study that was part of the Fifth International Survey of Lupus Anticoagulants (ISLA-5). One LA negative(More)
Although there is international consensus regarding the general principles of testing for lupus anticoagulants (LAs), no agreement exists as far as the analysis of the clotting time results is concerned. Twenty-nine laboratories participating in the Fifth International Survey of Lupus Anticoagulants (ISLA-5) reported the activated partial thromboplastin(More)
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