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. 1997 Feb;12(2):118-24.
doi: 10.1046/j.1525-1497.1997.00017.x.

Evaluating randomized trials of screening

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Evaluating randomized trials of screening

H G Welch et al. J Gen Intern Med. 1997 Feb.
No abstract available

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Figures

FIGURE 1
FIGURE 1
Increased detection of disease in the screening limb early in the trial. This example assumes that prevalent subclinical cases remain in both limbs and that screening occurs repeatedly. The horizontal distance between the two curves is the lead time.

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