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.
Bartolini WP, Bentzley CM, Johnston MV, Larsen BS.Bartolini WP, et al. Among authors: johnston mv.J Am Soc Mass Spectrom. 1999 Jun;10(6):521-8. doi: 10.1016/S1044-0305(99)00015-X.J Am Soc Mass Spectrom. 1999.PMID: 10368947Free article.
Kane DB, Johnston MV.Kane DB, et al. Among authors: johnston mv.Anal Chem. 2001 Nov 15;73(22):5365-9. doi: 10.1021/ac010469s.Anal Chem. 2001.PMID: 11816561
Cox FJ, Johnston MV, Dasgupta A.Cox FJ, et al. Among authors: johnston mv.J Am Soc Mass Spectrom. 2003 Jun;14(6):648-57. doi: 10.1016/S1044-0305(03)00216-2.J Am Soc Mass Spectrom. 2003.PMID: 12781466Free article.