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With the development of online group buying, more and more experts are beginning to focus on this emerging e-commerce model. Based on the data from Dianping.com, our study examined the impact of discount rate on the consumers' group buying behavior, considering the star, the score, the location and other factors as control variables. Our results suggest that the discount rate has a significant negative...
Oxidative stress has been associated with mild cognitive impairment (MCI) and Alzheimer’s disease (AD). However, little is known about oxidative stress in postoperative cognitive dysfunction (POCD) in aging. The aim of this study was to investigate urinary excretion rate of 8-isoprostane:creatinine (U8-isoPG:Cr) and malonaldehyde:creatinine (UMDA:Cr) to predict short-term POCD in elderly patients...
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