Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=48170#.VEXIGFfHRK0 Author(s) Rashid Heidarimoghadam , Akram Ranjbar , Neda Mahdavi , Tvakol Heidary Shayesteh , Mohammad Faridan , Leila Tajik Affiliation(s) Department of Ergonomics, Hamadan University of Medical Sciences, Hamadan, Iran . Department of Pharmacology & Toxicology, Hamadan University of Medical Sciences, Hamadan, Iran . Department of Ergonomics, Hamadan University of Medical Sciences, Hamadan, Iran . Department of Pharmacology & Toxicology, Hamadan University of Medical Sciences, Hamadan, Iran . Department of Occupational Hygiene, Lorestan University of Medical Sciences, Khoramabad, Iran . Department of Occupational Hygiene, Hamadan University of Medical Sciences, Hamadan, I...
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