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.
Busfield A, Samuel R, McNinch A, Tripp JH.Busfield A, et al. Among authors: tripp jh.Arch Dis Child. 2013 Jan;98(1):41-7. doi: 10.1136/archdischild-2011-301029. Epub 2012 Nov 12.Arch Dis Child. 2013.PMID: 23148314
Busfield A, McNinch A, Tripp J.Busfield A, et al.Arch Dis Child. 2007 Sep;92(9):754-8. doi: 10.1136/adc.2006.105304. Epub 2007 May 30.Arch Dis Child. 2007.PMID: 17537760Free PMC article.
McNinch A, Busfield A, Tripp J.McNinch A, et al.Arch Dis Child. 2007 Sep;92(9):759-66. doi: 10.1136/adc.2006.104752. Epub 2007 May 30.Arch Dis Child. 2007.PMID: 17537761Free PMC article.