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Dried tube specimens: a simple and cost-effective method for preparation of HIV proficiency testing panels and quality control materials for use in resource-limited settings.
Parekh BS, Anyanwu J, Patel H, Downer M, Kalou M, Gichimu C, Keipkerich BS, Clement N, Omondi M, Mayer O, Ou CY, Nkengasong JN. Parekh BS, et al. Among authors: keipkerich bs. J Virol Methods. 2010 Feb;163(2):295-300. doi: 10.1016/j.jviromet.2009.10.013. Epub 2009 Oct 28. J Virol Methods. 2010. PMID: 19878697