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.
Boyce M, David O, Darwin K, Mitchell T, Johnston A, Warrington S.Boyce M, et al. Among authors: johnston a.Aliment Pharmacol Ther. 2012 Jul;36(2):181-9. doi: 10.1111/j.1365-2036.2012.05143.x. Epub 2012 May 20.Aliment Pharmacol Ther. 2012.PMID: 22607579Free article.Clinical Trial.
Warrington SJ, Sinclair AJ, Johnston A.Warrington SJ, et al. Among authors: johnston a.J Int Med Res. 1990;18 Suppl 2:3B-9B.J Int Med Res. 1990.PMID: 2361567Clinical Trial.
Johnston A, Warrington SJ, Turner P, Riethmuller-Winzen H.Johnston A, et al.Postgrad Med J. 1987 Nov;63(745):959-61. doi: 10.1136/pgmj.63.745.959.Postgrad Med J. 1987.PMID: 3451218Free PMC article.Clinical Trial.
Warrington SJ, Debbas NM, Farthing M, Horton M, Johnston A, Thillainayagam A, Turner P, Ferber H.Warrington SJ, et al. Among authors: johnston a.Postgrad Med J. 1990 Aug;66(778):622-6. doi: 10.1136/pgmj.66.778.622.Postgrad Med J. 1990.PMID: 2217030Free PMC article.Clinical Trial.
Sardina M, Warrington SJ, Boyce M, Johnston A, Bianchini C.Sardina M, et al. Among authors: johnston a.J Cardiovasc Pharmacol. 1995;26 Suppl 4:S80-90.J Cardiovasc Pharmacol. 1995.PMID: 8839231Clinical Trial.