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5دورية أكاديمية
المؤلفون: Foy, R, Eccles, M P, Jamtvedt, Gro, Young, J, Grimshaw, J M, Baker, R
المساهمون: Centre for Health Services Research, University of Newcastle upon Tyne, Newcastle upon Tyne, United Kingdom. r.c.foy@ncl.ac.uk
الإتاحة: http://hdl.handle.net/11250/2377762