Blar i forfatter "Halvorsen, DS"
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Recruitment methods in Alzheimer's disease research : general practice versus population based screening by mail
Andersen, Fred; Engstad, Torgeir; Viitanen, M; Straume, Bjørn; Halvorsen, DS; Hykkerud, S; Sjobrend, K (Journal article; Tidsskriftartikkel; Peer reviewed, 2010)