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The Digital Services Act [1] (DSA) is an EU regulation adopted in 2022 that addresses illegal content, transparent advertising and disinformation. It updates the Electronic Commerce Directive 2000 in EU law , [ 2 ] [ 3 ] and was proposed alongside the Digital Markets Act (DMA).
Digital subtraction angiography (DSA) is a fluoroscopy technique used in interventional radiology to clearly visualize blood vessels in a bony or dense soft tissue environment. Images are produced using contrast medium by subtracting a "pre-contrast image" or mask from subsequent images, once the contrast medium has been introduced into a ...
The Digital Signature Algorithm (DSA) is a public-key cryptosystem and Federal Information Processing Standard for digital signatures, based on the mathematical concept of modular exponentiation and the discrete logarithm problem. In a public-key cryptosystem, a pair of private and public keys are created: data encrypted with either key can ...
When added together by DSA “stacking” software, [5] the result is a composite diagnostic image of the frames. Carbon dioxide is highly soluble , allowing multiple injections without a maximum dosage (per procedure, while it is 100 mL per injection by the literature), but, in case of multiple injections, should be considered and adequate ...
Durham School of the Arts (DSA) is a secondary magnet school located in downtown Durham, North Carolina, United States, housing 1,890 students. [2] Its focus is on the visual and performing arts . Arts offerings include 3D and 2D art, chorus, dance, guitar, strings, band, piano, acting, technical theatre, writing, digital media, game art design ...
A domain-specific architecture (DSA) is a programmable computer architecture specifically tailored to operate very efficiently within the confines of a given application domain. The term is often used in contrast to general-purpose architectures, such as CPUs , that are designed to operate on any computer program .
The Direct Selling Association (DSA) is a trade association in the United States that represents direct selling companies, primarily those that use multi-level marketing compensation plans. On behalf of its members' companies, the DSA engages in public relations and lobbying efforts against regulation of the multi-level marketing industry, and ...
Donor-specific antibodies (DSA) are a concept in transplantation medicine and describe the presence of antibodies specific to the Donor's HLA-Molecules. These antibodies can cause antibody-mediated rejection and are therefore considered a contraindication against transplantation in most cases. [ 1 ]