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Levevilkår i Danmark : statistisk oversigt
(1976)
Level of living and inequality in the nordic countries : Denmark, Finland, Norway, Sweden ; a comparative analysis of the nordic comprehensive surveys
(1984)
Levevilkår : måling af fattigdom
Etwil, Preben, (2012)
Differences in suicide between the old and the oldest old
Erlangsen, Annette, (2002)
Differences in Suicide Between the Old and the Oldest Old
Erlangsen, Annette, (2003)