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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