https://www.selleckchem.com/pr....oducts/l-ornithine-l
Proficiency testing (PT) is part of a comprehensive quality assurance programme, which is critical to ensuring patients receive accurate and reliable diagnostic testing. Implementation of the Cepheid Xpert® MTB/RIF assay to aid in the diagnosis of tuberculosis has expanded rapidly in recent years; however, PT material for Xpert MTB/RIF is not readily available in many resource-limited settings. To develop an accurate and precise PT material based on the dried tube specimen (DTS) method, using supplies and reagents availa
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