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.
Jennings I, Greaves M, Mackie IJ, Kitchen S, Woods TA, Preston FE; UK National External Quality Assessment Scheme for Blood Coagulation.Jennings I, et al. Among authors: preston fe.Br J Haematol. 2002 Nov;119(2):364-9. doi: 10.1046/j.1365-2141.2002.03821.x.Br J Haematol. 2002.PMID: 12406070Free article.
Dolan G, Greaves M, Cooper P, Preston FE.Dolan G, et al. Among authors: preston fe.Br J Haematol. 1988 Dec;70(4):417-21. doi: 10.1111/j.1365-2141.1988.tb02510.x.Br J Haematol. 1988.PMID: 3219292
Solomon SA, Cartwright I, Pockley G, Greaves M, Preston FE, Ramsay LE, Waller PC.Solomon SA, et al. Among authors: preston fe.Curr Med Res Opin. 1990;12(1):1-11. doi: 10.1185/03007999009111485.Curr Med Res Opin. 1990.PMID: 2188794Clinical Trial.