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.
Kass SU, Landsberger N, Wolffe AP.Kass SU, et al.Curr Biol. 1997 Mar 1;7(3):157-65. doi: 10.1016/s0960-9822(97)70086-1.Curr Biol. 1997.PMID: 9395433Free article.
Kass SU, Wolffe AP.Kass SU, et al.Novartis Found Symp. 1998;214:22-35; discussion 36-50. doi: 10.1002/9780470515501.ch3.Novartis Found Symp. 1998.PMID: 9601010Review.