Document Type : Letter to Editor
Authors
1 M.Sc of Epidemiology, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.
2 Professor, Department of Social Medicine, Occupational Environment Research Center, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.
3 Assistant Professor, Department of Social Medicine, Occupational Environment Research Center, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.
Abstract
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