background and objective : poor sleep, poor quality of sleep and sleepiness are among the common problems as-sociated with learning, memory and educational performance in children and adolescents. considering the lack of pre-vious literature in this field, especially in the city of yazd, iran, a number of high-school students of the city participat-ed in a study to assess sleep problems and inf...

background: chemicals are among risk factors that can affect women's reproductive system. this study is aimed to investigate the association of occupational exposure to a mixture of organic solvents with menstruation disturbances and hormonal changes among female workers. methods : female workers of a pharmaceutical company were divided into three groups of non-exposed, low-exposed and highly-e...

donepezil, a member of the acetylcholinesterase inhibitor family, is approved for management of cognitive impairments as well as behavioral complications in patients with neurodegenerative alzheimer's disease. generally, donepezil is regarded as a safe medication in patients with alzheimer's disease although there have been reports of several minor adverse events including gastrointestinal dist...

this study aimed to investigate the spatial perception and evaluation of the place-based affordance of mosques in tehran. reviewing the literature and applying gibson`s affordance and canter`s place theory, the new model called place-based affordance is proposed. in this model, each location contains two potential types of symbolic and behavioural affordance. accordingly, throughout history, be...

purpose: to evaluate the results of keratoprosthesis (kps) at labbafinejad medical center. method: in this case-series 29 eyes of 27 patients who underwent kps between 1995-2002 were evaluated for results and complications. results: patients included 22 male and five female subjects. diagnoses included chemical burn (17 cases), stevens-johnson syndrome (three cases), ocular cicatricial pemphigo...