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.
Shi S, Sun S, Andrews SB, Leapman RD.Shi S, et al. Among authors: andrews sb.Microsc Res Tech. 1996 Feb 15;33(3):241-50. doi: 10.1002/(SICI)1097-0029(19960215)33:3<241::AID-JEMT1>3.0.CO;2-T.Microsc Res Tech. 1996.PMID: 8652882
Andrews SB, Gallant PE, Leapman RD, Schnapp BJ, Reese TS.Andrews SB, et al.Proc Natl Acad Sci U S A. 1993 Jul 15;90(14):6503-7. doi: 10.1073/pnas.90.14.6503.Proc Natl Acad Sci U S A. 1993.PMID: 8341662Free PMC article.