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  2. CTT Correios de Portugal, S.A. - Wikipedia

    en.wikipedia.org/wiki/CTT_Correios_de_Portugal,_S.A.

    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 ...

  3. CTT - Wikipedia

    en.wikipedia.org/wiki/CTT

    CTT may refer to: . CTT Correios de Portugal, S.A., the national postal service of Portugal CTT (Macau), the Macau Post Office Cycling Time Trials, the governing body for time trialling in the UK

  4. 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.

  5. CTT (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/CTT_(disambiguation)

    CTT (disambiguation) CTT may also refer to: CTT Correios de Portugal, S.A., the national postal service of Portugal. CTT (Macau), the Macau Post Office. Cycling Time Trials, the governing body for time trialling in the UK. Classical test theory. Columbia TriStar Television. ConcurTaskTrees.

  6. Heart CT Scan: Purpose, Risks, and Procedure - Healthline

    www.healthline.com/health/heart-ct-scan

    What is a heart CT scan? A CT scan uses X-rays to view specific areas of your body. These scans use safe amounts of radiation to create detailed images, which can help your doctor to detect any ...

  7. CTT (Macau) - Wikipedia

    en.wikipedia.org/wiki/CTT_(Macau)

    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.

  8. Chest Tube Insertion: Purpose, Procedure & Risks - Healthline

    www.healthline.com/health/chest-tube-insertion

    A chest tube can help drain air, blood, or fluid from the pleural space, which is the space surrounding your lungs. Inserting a chest tube is called a chest tube thoracostomy. It’s typically an ...

  9. Classical test theory - Wikipedia

    en.wikipedia.org/wiki/Classical_test_theory

    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 ...