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.
White PM, Halliday-Pegg JC, Collie DA.White PM, et al. Among authors: collie da.Br J Gen Pract. 2002 Jan;52(474):33-5.Br J Gen Pract. 2002.PMID: 11791813Free PMC article.
Grant R, Whittle IR, Collie DA, Gregor A, Ironside JW.Grant R, et al. Among authors: collie da.Health Bull (Edinb). 1996 May;54(3):212-22.Health Bull (Edinb). 1996.PMID: 8707564
Collie DA, Brush JP, Lammie GA, Grant R, Kunkler I, Leonard R, Gregor A, Sellar RJ.Collie DA, et al.Clin Radiol. 1999 Nov;54(11):765-71. doi: 10.1016/s0009-9260(99)91181-9.Clin Radiol. 1999.PMID: 10580769