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.
Ilver D, Arnqvist A, Ogren J, Frick IM, Kersulyte D, Incecik ET, Berg DE, Covacci A, Engstrand L, Borén T.Ilver D, et al. Among authors: engstrand l.Science. 1998 Jan 16;279(5349):373-7. doi: 10.1126/science.279.5349.373.Science. 1998.PMID: 9430586
Björkholm B, Lundin A, Sillén A, Guillemin K, Salama N, Rubio C, Gordon JI, Falk P, Engstrand L.Björkholm B, et al. Among authors: engstrand l.Infect Immun. 2001 Dec;69(12):7832-8. doi: 10.1128/IAI.69.12.7832-7838.2001.Infect Immun. 2001.PMID: 11705965Free PMC article.