ارتباط میان نحوه ی حمل کیف توسط دانش آموزان و مشکلات جسمانی ناشی از آن
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Department of Occupational Health Engineering, School of Public Health, Ilam University of Medical Sciences, Ilam, Iran
Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
Department of Occupational Health Engineering, School of Public Health, Ilam University of Medical Sciences, Ilam, Iran
Department of Occupational Health Engineering, School of Public Health, Ilam University of Medical Sciences, Ilam, Iran
Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
Department of Occupational Health Engineering, School of Public Health, Ilam University of Medical Sciences, Ilam, Iran
Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran