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.
Douglas TA, Buettner PG, Whitehall J.Douglas TA, et al. Among authors: buettner pg.J Paediatr Child Health. 2001 Oct;37(5):441-5. doi: 10.1046/j.1440-1754.2001.00670.x.J Paediatr Child Health. 2001.PMID: 11885706
Panaretto K, Lee H, Mitchell M, Larkins S, Manessis V, Buettner P, Watson D.Panaretto K, et al.Aust N Z J Public Health. 2006 Apr;30(2):163-70. doi: 10.1111/j.1467-842x.2006.tb00111.x.Aust N Z J Public Health. 2006.PMID: 16681339Free article.