original article   health, safety, and environment management are dedicated a vast area in which ergonomics aspects known as one of the related aspects. in the following case study, the occupational hygiene by ergonomic intervention is focused. one of the prevalent activities among industrial sectors' workers in the developing countries is manual lifting tasks and other related physical activit...

background: the nature of work in the construction industry is closely associated with many human factor hazards. manual construction workers are exposed to hand-arm vibration, repetitive movements, holding of heavy loads and tools, and frequent manual materials handling hazards in their daily tasks. work related musculoskeletal disorders are major problems faced by construction workers, which ...

background : seroma formation is a common problem following axillary dissection. it is probably caused by a local inflammatory response. local steroids may prevent this problem by inhibiting inflammatory response at the wound site. methods : this randomized prospective study was undertaken to evaluate the effect of local triamcinolone injection on seroma formation following axillary dissection....

spontaneous coronary artery dissection (scad) is a rare and important cause of acute coronary syndrome and sudden cardiac death. various etiologies are thought to be responsible for this condition, among which underlying atherosclerosis seems to be the most common. scad is predominant in women and is usually diagnosed via coronary artery angiography. therapeutic interventions include medical th...

background and aims. during root canal preparation, debris extruded beyond the apical foramen may result in periapical inflammation and postoperative pain. to date no root canal preparation method has been developed that extrudes no periapical debris. the purpose of this study was to identify a system leading to minimal extrusion of debris from the apical foramen. the study was conducted to com...