Originalversjon
Nilsen W, Kjeldsen A, Karevold EB, Skipstein A, Helland MJ, Gustavson KB, Enstad F, Bårdstu S, Røysamb E, von Soest TvS, Mathiesen KS. Cohort profile: The Tracking Opportunities and Problems Study (TOPP) – A study of Norwegian children and their parents followed from infancy to adulthood. International Journal of Epidemiology. 2017
https://dx.doi.org/10.1093/ije/dyx057
Utgiver
Oxford University Press
Serie
International Journal of Epidemiology;Vol. 46, No. 5
Tidsskrift
International Journal of Epidemiology