introduction: early clinical exposure has been conceptualized to orient medical students towards actual clinical scenario and help them correlate their theoretical knowledge with real life situations in early years of mbbs courses. in the present study we explored the outcome of early clinical exposure in the context of basic science topics (physiology) in fresh mbbs entrants and compared their...

vitamin d is essential for growth and vitamin d deficiency is important issue in adolescent girls as they have a limited rapid growth period .this cross sectional study was done on 167 female students in secondary guidance school in 2006. growth parameters, taking supplementary vitamin d, using sunscreen creams and the type of housing and their avoidance from exposure to sunlight was recorded. ...

background and objectives: day-shift taxi drivers have a long duration of direct sun exposure. however, the efficiency of this occupational exposure in vitamin d synthesis has not been addressed yet. the aim of this study was to assess the vitamin d status of taxi drivers in tehran, and examine vitamin d status association with some anthropometric and circulating biomarkers. materials and metho...

In the last two decades, Audiovisual Translation (AVT) studies have become of interest for Second Language Acquisition (SLA) researchers, particularly regarding use subtitles in language learning activities. This paper will present an experiment aimed at investigating role subtitled 'input enhancement' SLA. The study involved a group Italian native students English as Foreign (EFL) from Milan U...

Exposure time calculation is an essential issue for digital cameras used in sensitive and secure industrial inspections to capture high quality image and consequently realise reliable performance of image processing algorithms. In this paper, we propose a novel exposure time calculation algorithm for line scan cameras in sensitive industrial inspection to deal with the problems caused by a hars...

in recent years, biotechnology has provided the possibility of creating genetically modified (gm) organisms by transferring genes from sources such as viruses, bacteria, animals, and plants into usually unrelated species. this ability to overcome insurmountable physiological barriers by exchanging genetic materials among all living organisms is a double-edged sword. on the one hand, it allows t...

background :asthma is the most common respiratory disease with an increasing prevalence. on the other hand, obesity is also a challenging disease compromising health in human communities. this study sought to assess the correlation of asthma and body mass index (bmi) in occupational setting.   methods : this study was conducted in a cable manufacturing company in 2012. a total of 551 workers fr...

introduction the purpose of this study was to evaluate personal shields in radiation departments of hospitals affiliated to mashhad university of medical sciences. materials and methods first, the information related to 109 personal shields was recorded and evaluated by imaging equipment. afterwards, the equivalent lead thickness (elt) of 62 personal shields was assessed, using dosimeter and st...

to study the relation between hypertension and noise exposure, after the noise monitoring is weaving and spinning workshops, a especially designed questionnaire was completed and measurement were made of blood pressure, height and weight of 1801 male and female workers employed in these workshops. the results indicated that the systolic and diastolic pressure had a direct relation with age and ...