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.
Marshall JK, Thabane M, Garg AX, Clark WF, Salvadori M, Collins SM; Walkerton Health Study Investigators.Marshall JK, et al.Gastroenterology. 2006 Aug;131(2):445-50; quiz 660. doi: 10.1053/j.gastro.2006.05.053.Gastroenterology. 2006.PMID: 16890598
Garg AX, Macnab J, Clark W, Ray JG, Marshall JK, Suri RS, Devereaux PJ, Haynes B; Walkerton Health Study Investigators.Garg AX, et al. Among authors: marshall jk.Can J Public Health. 2005 Mar-Apr;96(2):125-30. doi: 10.1007/BF03403675.Can J Public Health. 2005.PMID: 15850033Free PMC article.
Garg AX, Marshall J, Salvadori M, Thiessen-Philbrook HR, Macnab J, Suri RS, Haynes RB, Pope J, Clark W; Walkerton Health Study Investigators.Garg AX, et al.J Clin Epidemiol. 2006 Apr;59(4):421-8. doi: 10.1016/j.jclinepi.2005.08.014. Epub 2006 Jan 27.J Clin Epidemiol. 2006.PMID: 16549265