issue 4 publication date 2016-10

• Assessment of health risks of exposure to hazardous chemicals by semi-quantitative method in a gas refinery complex
• The effect of mental workload and work posture on musculoskeletal disorders of Qazvin hospitals, in 2016
• Evaluation of Rating Scale Mental Effort (RSME) effectiveness for mental workload assessment in nurses
• Low back and neck pain intensity and relationship with disability index among dentists
• Exposure to whole body vibration in heavy mine vehicle drivers and its association with upper limbs musculoskeletal disorders
• Measuring the Level of Participation and Autonomy among people with Type II diabetes, Rafsanjan, Iran (2016)
• Effects of simultaneous exposure to noise and styrene on rat liver enzymes
• Letter to Editor----------------------------------