نتایج جستجو برای: blood loss

تعداد نتایج: 1094553  

Journal: :International Journal of Clinical Medicine 2014

Journal: :international journal of occupational hygiene 0
fatemeh khaldari msc student, department of biostatistics and epidemiology, faculty of health, kerman university of medical sciences, kerman, iran; narges khanjani associate professor, environmental health engineering research center, kerman university of medical sciences, kerman, iran abbas bahrampour professor, department of biostatistics and epidemiology, faculty of health, kerman university of medical sciences, kerman, iran mohammad reza ghotbi ravandi assistant professor, department of occupational health, faculty of health, kerman university of medical sciences, kerman, iran ali ali asghar arabi mianroodi assistant professor, department of ear, nose and throat, faculty of medicine, kerman university of medical sciences, kerman, iran

original article   extended exposure to noise can cause permanent hearing damage. this study aimed to determine the incidence time of hearing loss and its effective factors in workers exposed to noise. this retrospective cohort study, was conducted on a total of 273 workers in various sectors of kerman copper by-industries co. their hearing status and the incidence of hearing loss (hearing thre...

Journal: :Otolaryngology–Head and Neck Surgery 2011

Journal: :Sovremennye tehnologii v medicine 2020

Journal: :Journal of the Royal Society of Medicine 1827

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