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. 2001 Jul 21;323(7305):155-7.
doi: 10.1136/bmj.323.7305.155.

When should clinical guidelines be updated?

P Shekelle  1 , M P Eccles, J M Grimshaw, S H Woolf
Affiliations

When should clinical guidelines be updated?

P Shekelle et al. BMJ. .
No abstract available

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Figures

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Figure
Proposed model for assessing the current validity of guidelines
See this image and copyright information in PMC

References

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    1. North American Symptomatic Carotid Endarterectomy Trial Collaborators. Beneficial effect of carotid endarterectomy in symptomatic patients with high-grade carotid stenosis. N Engl J Med. 1991;325:445–453. - PubMed
    1. European Carotid Surgery Trialists' Collaborative Group. MRC European Carotid Surgery Trial. Interim results for symptomatic patients with severe (70-99%) or with mild (0-29%) carotid stenosis. Lancet. 1991;337:1235–1243. - PubMed

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