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.
Yitzchaik S, Berkovic G, Krongauz V.Yitzchaik S, et al. Among authors: krongauz v.Opt Lett. 1990 Oct 15;15(20):1120-2. doi: 10.1364/ol.15.001120.Opt Lett. 1990.PMID: 19771015
Cabrera I, Shvartsman F, Veinberg O, Krongauz V.Cabrera I, et al. Among authors: krongauz v.Science. 1984 Oct 19;226(4672):341-3. doi: 10.1126/science.226.4672.341.Science. 1984.PMID: 17749886