Document Type : Original Article
Authors
1 Assistant Professor of Industrial Medicine and Occupational Health, Public Health and Community Medicine Department, Faculty of Medicine, Zagazig University
2 Professor of Industrial Medicine and Occupational Health, Public Health and Community Medicine Department, Faculty of Medicine, Zagazig University
3 Demonstrator of Industrial Medicine and Occupational Health, Public Health and Community Medicine Department, Faculty of Medicine, Zagazig University
Abstract
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