An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Strittmatter EF, Schnier PD, Klassen JS, Williams ER.Strittmatter EF, et al. Among authors: klassen js.J Am Soc Mass Spectrom. 1999 Nov;10(11):1095-104. doi: 10.1016/S1044-0305(99)00087-2.J Am Soc Mass Spectrom. 1999.PMID: 10536816Free PMC article.
Klassen JS, Schnier PD, Williams ER.Klassen JS, et al.J Am Soc Mass Spectrom. 1998 Nov;9(11):1117-24. doi: 10.1016/S1044-0305(98)00098-1.J Am Soc Mass Spectrom. 1998.PMID: 9794082Free PMC article.
Rodriguez-Cruz SE, Klassen JS, Williams ER.Rodriguez-Cruz SE, et al. Among authors: klassen js.J Am Soc Mass Spectrom. 1999 Oct;10(10):958-68. doi: 10.1016/S1044-0305(99)00068-9.J Am Soc Mass Spectrom. 1999.PMID: 10497808Free PMC article.
Felitsyn N, Kitova EN, Klassen JS.Felitsyn N, et al. Among authors: klassen js.Anal Chem. 2001 Oct 1;73(19):4647-61. doi: 10.1021/ac0103975.Anal Chem. 2001.PMID: 11605843
Felitsyn N, Kitova EN, Klassen JS.Felitsyn N, et al. Among authors: klassen js.J Am Soc Mass Spectrom. 2002 Dec;13(12):1432-42. doi: 10.1016/S1044-0305(02)00647-5.J Am Soc Mass Spectrom. 2002.PMID: 12484463
Daneshfar R, Klassen JS.Daneshfar R, et al. Among authors: klassen js.J Am Soc Mass Spectrom. 2004 Jan;15(1):55-64. doi: 10.1016/j.jasms.2003.09.001.J Am Soc Mass Spectrom. 2004.PMID: 14698556Free article.
Wang W, Kitova EN, Sun J, Klassen JS.Wang W, et al. Among authors: klassen js.J Am Soc Mass Spectrom. 2005 Oct;16(10):1583-94. doi: 10.1016/j.jasms.2005.05.008.J Am Soc Mass Spectrom. 2005.PMID: 16087347Free article.
Daneshfar R, Klassen JS.Daneshfar R, et al. Among authors: klassen js.J Am Soc Mass Spectrom. 2006 Sep;17(9):1229-38. doi: 10.1016/j.jasms.2006.05.002. Epub 2006 Jun 16.J Am Soc Mass Spectrom. 2006.PMID: 16782356Free article.