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Search Results for 'Studiesoftest Retestreliabilityforhealth Relatedqualityoflifeinstrumentshaveusedvaryingintervalsbetweentestadministrations.thereisnoevidenceavailabletoaidintheselectionofthetimeintervalbetweenquestion'
JournalofClinicalEpidemiology56(2003)730735Acomparisonoftwotimei
luanne-stotts