نتایج جستجو برای: dietary us
تعداد نتایج: 542278 فیلتر نتایج به سال:
BACKGROUND A growing body of evidence suggests that exposure to toxic metals occurs through diet but few studies have comprehensively examined dietary sources of exposure in US populations. PURPOSE Our goal was to perform a novel dietary-wide association study (DWAS) to identify specific dietary sources of lead, cadmium, mercury, and arsenic exposure in US children and adults. METHODS We co...
We hypothesize that owing to limited investor attention and skepticism of complexity, innovative diversity (ID) of a firm's patent portfolio will be undervalued. ID strongly predicts stock returns after controlling for firm characteristics and risk. High ID portfolios provide Carhart alphas of 56-81 basis points per month and stronger and less volatile operating performance. The Diversified Min...
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