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Norsk
versjon
In order to register data in Cristin, you must be an academic or administrative employee.
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1. |
Lofthus, Cathrine Marie; Cappelen, Inger; Osnes, Eivind Kaare; Falch, Jan Arvid; Kristiansen, Ivar Sønbø; Medhus, Asle Wilhelm; Nordsletten, Lars; Meyer, Haakon E. Local and national electronic databases in Norway demonstrate a varying degree of validity. Journal of Clinical Epidemiology 2005 ;Volume 58. p. 280-285 UiO FHI OUS
Untitled
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