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BACKGROUND Most cancers are due to modifiable lifestyle and environmental risk factors, and are potentially preventable. No studies have provided a systematic quantitative assessment of the burden of cancer mortality and incidence attributable to known risk factors in China. METHODS We calculated the proportions of cancer deaths and new cases attributable(More)
BACKGROUND Walking speed is a simple and reliable measure of motor function that is negatively associated with adverse health events in older people, including falls, disability, hospital admissions, and mortality. Lead has adverse affects on human health, particularly on the vascular and neurological systems. OBJECTIVE We explored the hypothesis that(More)
BACKGROUND Tremor is one of the most common neurological signs, yet its etiology is poorly understood. Case-control studies suggest an association between blood lead and essential tremor, and that this association is modified by polymorphisms in the δ-aminolevulinic acid dehydrogenase (ALAD) gene. OBJECTIVE We aimed to examine the relationship between(More)
Objective: To compare the anesthesia effect between ultrasound-guided lower extremity nerve block and spinal anesthesia in ankle surgery. Methods: Upon the approval of institutional Ethics Committee and informed consent, 80 patients American Society of Anesthesiology (ASA)Ⅰ-Ⅱaged 18-70 yr, undergoing ankle surgery from December 2014 to May 2015 in the Fifth(More)
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