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Open Access Research article

Selecting optimal screening items for delirium: an application of item response theory

Frances M Yang*, Richard N Jones*, Sharon K Inouye, Douglas Tommet, Paul K Crane, James L Rudolph, Long H Ngo and Edward R Marcantonio

BMC Medical Research Methodology 2013, 13:8  doi:10.1186/1471-2288-13-8

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