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CTT's current logo since 4 October 2004. CTT – Correios de Portugal, S.A. ( lit. 'CTT – Post of Portugal') is a Portuguese company that operates as both the national postal service of Portugal and a commercial group with subsidiaries operating in banking, e-commerce, and other postal services. It was founded in 1520 by King Manuel I of ...
Classical test theory. Classical test theory (CTT) is a body of related psychometric theory that predicts outcomes of psychological testing such as the difficulty of items or the ability of test-takers. It is a theory of testing based on the idea that a person's observed or obtained score on a test is the sum of a true score (error-free score ...
The Computing Technology Industry Association, more commonly known as CompTIA, is an American non-profit trade association that issues professional certifications for the information technology (IT) industry. It is considered one of the IT industry's top trade associations. [1]
For certain medical conditions, imagery from an X-ray or ultrasound test isn’t enough. A computed tomography (CT) scan provides a more detailed view of your tissues, blood vessels, and bones.
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Correios de Macau. Macau Post and Telecommunications, [a] most commonly known as CTT, [1] is an entity under the Government of Macao responsible for postal services and telecommunications regulation. The acronym CTT comes from the former name of the Portuguese postal administration ( Portuguese: Correios, Telégrafos e Telefones, lit.
It is rare to have an allergic reaction or medical problems with CT scan contrast. Most reactions are mild and cause itchiness or a rash. In rare situations, the contrast could potentially cause a ...
The main types are: Drug-drug interaction. This is when a medication reacts with one or more other drugs. For example, taking a cough medicine ( antitussive) and a drug to help you sleep (sedative ...