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.
Sengupta A, Ray PP, Chaudhuri-Sengupta S, Maiti BR.Sengupta A, et al. Among authors: ray pp.Eur J Morphol. 2003 Dec;41(5):149-54.Eur J Morphol. 2003.PMID: 16229156