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.
McNulty CA, Lasseter G, Verlander NQ, Yoxall H, Moore P, O'Brien SJ, Evans M.McNulty CA, et al. Among authors: verlander nq.Br J Gen Pract. 2014 Jan;64(618):e24-30. doi: 10.3399/bjgp14X676429.Br J Gen Pract. 2014.PMID: 24567579Free PMC article.