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Littleford RE, Matousek P, Towrie M, Parker AW, Dent G, Lacey RJ, Smith WE.Littleford RE, et al. Among authors: parker aw.Analyst. 2004 Jun;129(6):505-6. doi: 10.1039/b401091d. Epub 2004 May 7.Analyst. 2004.PMID: 15152326
Towrie M, Gabrielsson A, Matousek P, Parker AW, Rodriguez AM, Vlcek A Jr.Towrie M, et al. Among authors: parker aw.Appl Spectrosc. 2005 Apr;59(4):467-73. doi: 10.1366/0003702053641397.Appl Spectrosc. 2005.PMID: 15901332