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.
Pareek SS, Tandon RC.Pareek SS, et al.Br Med J (Clin Res Ed). 1985 Aug 3;291(6491):313. doi: 10.1136/bmj.291.6491.313.Br Med J (Clin Res Ed). 1985.PMID: 3926174Free PMC article.No abstract available.