نتایج جستجو برای: cumulative effect
تعداد نتایج: 1699007 فیلتر نتایج به سال:
OBJECTIVES To determine the effect of glucocorticoids (GCs) on acute myocardial infarction (MI) risk in patients with RA. METHODS Using administrative health data, we conducted a population-based cohort study of 8384 incident RA cases (1997-2006). Primary exposure was incident GC use. MI events were ascertained using hospitalization and vital statistics data. We used Cox proportional-hazards ...
Evaluating Cumulative Drought Effect on Global Vegetation Photosynthesis Using Numerous GPP Products
The increasing trend in drought events under the background of global warming makes it more important to understand effect on vegetation photosynthesis. While diverse gross primary production (GPP) datasets were adopted investigate impact photosynthesis, few studies focused discrepancies response among different GPP datasets, especially for cumulative impact. Therefore, a total twenty-six based...
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