Recreational drug use in the Oslo nightlife setting: study protocol for a cross-sectional time series using biological markers, self-reported and qualitative data

por Nordfjærn, Trond, Edland-Gryt, Marit, Bretteville-Jensen, Anne Line, Buvik, Kristin, Gripenberg, Johanna
Publicado 2016

Self-Reported Illicit Drug Use Among Norwegian University and College Students. Associations With Age, Gender, and Geography

por Heradstveit, Ove, Skogen, Jens Christoffer, Edland-Gryt, Marit, Hesse, Morten, Vallentin-Holbech, Lotte, Lønning, Kari-Jussie, Sivertsen, Børge
Publicado 2020