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Lowe RH, Barnes AJ, Lehrmann E, Freed WJ, Kleinman JE, Hyde TM, Herman MM, Huestis MA.Lowe RH, et al. Among authors: barnes aj.J Mass Spectrom. 2006 Feb;41(2):175-84. doi: 10.1002/jms.975.J Mass Spectrom. 2006.PMID: 16382483
Gustafson RA, Moolchan ET, Barnes A, Levine B, Huestis MA.Gustafson RA, et al.J Chromatogr B Analyt Technol Biomed Life Sci. 2003 Dec 5;798(1):145-54. doi: 10.1016/j.jchromb.2003.09.022.J Chromatogr B Analyt Technol Biomed Life Sci. 2003.PMID: 14630369
Scheidweiler KB, Barnes AJ, Huestis MA.Scheidweiler KB, et al. Among authors: barnes aj.J Chromatogr B Analyt Technol Biomed Life Sci. 2008 Dec 15;876(2):266-76. doi: 10.1016/j.jchromb.2008.11.001. Epub 2008 Nov 7.J Chromatogr B Analyt Technol Biomed Life Sci. 2008.PMID: 19026602Free PMC article.