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Table 1 The 5 stages of constructing a BET
From: Towards evidence-based medicine in cardiothoracic surgery: best BETS Interact CardioVasc Thorac Surg. 2003;2(4): doi: /S (03) Interact CardioVasc Thorac Surg | © 2003 Published by Elsevier B.V.Elsevier B.V.
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Table 2 Generation of a three-part question
From: Towards evidence-based medicine in cardiothoracic surgery: best BETS Interact CardioVasc Thorac Surg. 2003;2(4): doi: /S (03) Interact CardioVasc Thorac Surg | © 2003 Published by Elsevier B.V.Elsevier B.V.
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Table 3 Examples of scenario and question
From: Towards evidence-based medicine in cardiothoracic surgery: best BETS Interact CardioVasc Thorac Surg. 2003;2(4): doi: /S (03) Interact CardioVasc Thorac Surg | © 2003 Published by Elsevier B.V.Elsevier B.V.
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Table 4 Search strategy using Medline 1966 to December 2002 using the OVID interface
From: Towards evidence-based medicine in cardiothoracic surgery: best BETS Interact CardioVasc Thorac Surg. 2003;2(4): doi: /S (03) Interact CardioVasc Thorac Surg | © 2003 Published by Elsevier B.V.Elsevier B.V.
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Table 6 Further steps From: Towards evidence-based medicine in cardiothoracic surgery: best BETS Interact CardioVasc Thorac Surg. 2003;2(4): doi: /S (03) Interact CardioVasc Thorac Surg | © 2003 Published by Elsevier B.V.Elsevier B.V.
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Table 5 Levels of evidence
From: Towards evidence-based medicine in cardiothoracic surgery: best BETS Interact CardioVasc Thorac Surg. 2003;2(4): doi: /S (03) Interact CardioVasc Thorac Surg | © 2003 Published by Elsevier B.V.Elsevier B.V.
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