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.
Qian H, Qian M.Qian H, et al. Among authors: qian m.Phys Rev Lett. 2000 Mar 6;84(10):2271-4. doi: 10.1103/PhysRevLett.84.2271.Phys Rev Lett. 2000.PMID: 11017261
Vellela M, Qian H.Vellela M, et al. Among authors: qian h.Bull Math Biol. 2007 Jul;69(5):1727-46. doi: 10.1007/s11538-006-9188-3. Epub 2007 Feb 23.Bull Math Biol. 2007.PMID: 17318672