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.
Peng CI, Yang HA, Kono Y, Chung KF, Huang YS, Wu WH, Liu Y.Peng CI, et al. Among authors: chung kf.Bot Stud. 2013 Dec;54(1):44. doi: 10.1186/1999-3110-54-44. Epub 2013 Oct 7.Bot Stud. 2013.PMID: 28510884Free PMC article.