Abstract Background Traditional survey methods are Dynamic Brake Resistor limited in the study of hidden populations due to the hard to access properties, including lack of a sampling frame, sensitivity issue, reporting error, small sample size, etc.The rapid increase of online communities, of which members interact with others via the Internet, ha

Tax evasion is actually failure by the Bridle Bits taxpayer, tax liabilities.And the negative effects of this are felt directly on the level of tax revenue receipts, causing major distortions in the functioning of the market mechanism.It is believed that the first cause of fraud is itself impossible, fairer tax system in which develops based on the

Asarum pulchellum Hemsley 1890, belonging to Aristolochiaceae family, is a kind of folk herb resource with certain toxicity.In this study, we acquired the complete chloroplast genome of A.pulchellum for its accurate species identification and phylogenetic analysis.The genome is 177,905 bp in size with a typical circular quadripartite structure, con

Abstract Background Sustained attention deficits were reported more significant in patients with major depressive disorder (MDD) than in healthy controls (HCs), and are pivotal in both the development and aggravation of depression.Childhood trauma is also common in MDD and the exposure to childhood trauma may impede sustained attention and increase