نتایج جستجو برای: occupational radiation exposure
تعداد نتایج: 569307 فیلتر نتایج به سال:
Background: ˝Radioadaptive Response˝ is well-documented phenomenon appeared in low dose ionizing radiation received in vitro and in vivo. Occupational exposure has always been a great concern for radiation workers therefore this study was performed to study radioadaptive response in terms of residual DNA double strand breaks as an endpoint in peripheral blood leukocytes of occupationally expose...
A nested case-control study using conditional logistic regression was conducted to evaluate the exposure-response relationship between external ionizing radiation exposure and leukemia mortality among civilian workers at the Portsmouth Naval Shipyard (PNS), Kittery, Maine. The PNS civilian workers received occupational radiation exposure while performing construction, overhaul, repair and refue...
It has been suggested that prolonged exposure to ionizing radiation may induce immune alteration which may facilitate the development of cancer. However, over the past decades some scientists have reported that low-dose of ionizing radiation is not only a harmless agent but often is benefical. The aim of this study was to evaluate the effects of occupational exposure to low levels of io...
Background : Farmers and welders who work in open spaces and are exposed to direct sunlight are often exposed to sunlight radiation o n the neck and head . Thus, they may be afflicted with various types of skin cancer . The aim of the present study was to investigate the amount of UV exposure in welders working in Shahrud City , Iran . Materials and Method s : This cross-sectio...
BACKGROUND ionizing radiation on the lens of the eye can produce a progressive cataract. Small cumulative doses, over a long time period, can produce adverse effects on the professional capabilities of health workers in the ionizing radiation zone. OBJECTIVES The aim of this study was to ascertain whether occupational exposure to low levels of ionizing radiation can cause an increase in preva...
OBJECTIVES Although veterinary workers may encounter various occupational health hazards, a national characterization of exposures is lacking in Canada. This study used secondary data sources to identify veterinary exposure prevalence for ionizing radiation and antineoplastic agents, as part of a national surveillance project. METHODS For ionizing radiation, data from the Radiation Protection...
Ultrasounds and ionizing radiation are extensively used for diagnostic applications in the cardiology clinical practice. This paper reviewed the available information on occupational risk of the cardiologists who perform, every day, cardiac imaging procedures. At the moment, there are no consistent evidence that exposure to medical ultrasound is capable of inducing genetic effects, and represen...
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