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.
Gyorkos TW, Tannenbaum TN, Abrahamowicz M, Oxman AD, Scott EA, Millson ME, Rasooly I, Frank JW, Riben PD, Mathias RG, et al.Gyorkos TW, et al. Among authors: mathias rg.Can J Public Health. 1994 Jul-Aug;85 Suppl 1:S8-13.Can J Public Health. 1994.PMID: 7987764
Ramsum DL, Marion SA, Mathias RG.Ramsum DL, et al. Among authors: mathias rg.Can J Public Health. 1993 Jul-Aug;84(4):275-8.Can J Public Health. 1993.PMID: 8221503
Patrick DM, Buxton JA, Bigham M, Mathias RG.Patrick DM, et al. Among authors: mathias rg.Can J Public Health. 2000 Jul-Aug;91 Suppl 1:S18-21, S19-23.Can J Public Health. 2000.PMID: 11059125Review.English, French.