Today many developing countries face the problem of brain drain that could be affected by oil rents in oil-exporting countries.Natural resources aggravate rentier behavior and affect the welfare of elites Toys and finally increase brain drain.The purpose of this paper is to investigate the nonlinear effects of oil rent on brain drain in oil-exporti
Antibody-dependent enhancement (ADE) is a phenomenon in which antibodies enhance subsequent viral infections rather than preventing them.Sub-optimal levels of neutralizing antibodies in individuals infected with dengue virus are known to be associated with severe disease upon reinfection Cushion with a different dengue virus serotype.For Severe Acu
Everyday people have been experiencing changes in weather and climate.The question is whether we are really on the top of a tendency or we just overstate the weather change because of our heuristic mentality? If the negative tendency of change is adopted we must involve climate friendly technologies in the strategic decision making process of enter
This study used the two-step floating catchment area method and potential model to calculate facility accessibility and potential service scope of public health infrastructure distribution, and to evaluate its spatial equity.We applied the Gini coefficient to measure the spatial equilibrium at each level of public health infrastructure in Doumen Di