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搜索结果: 1-6 共查到医学 epidemiologic study相关记录6条 . 查询时间(0.093 秒)
In the Iranian Red Crescent Medical Journal issue published in June 2013, I read with great interest the article entitled “Frequency of all types of colorectal tumors in the patients referred to selec...
Alternobaric vertigo and hearing disturbances in connection with diving: an epidemiologic study.
Gastrointestinal (GI) distension by gas expansion may be more of a problem in diving than is usually recognized. In response to a written questionnaire, 2053 scuba divers gave information about GI dis...
Hearing acuity was measured in 116 professional divers. After approximately 6 yr they were retested. At most frequencies, the divers had higher hearing thresholds than otologically normal subjects at ...
A sample of 4724 children (2353 girls and 2371 boys) (5–17 years old) were grouped not only by chronological age but also by stage of dental development (deciduous, early mixed, late mixed, and pe...
Objective: The aim of the present study was to estimate crude and age-standardized incidence rates for oral and pharyngeal nonsquamous cell malignant tumors in Kerman province over a period of 11 year...

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