by Johannessen, Espen Lund, Andersson, Helle Wessel, Bjørngaard, Johan Håkon, Pape, Kristine
Published in BMC public health (23.05.2017)

by Andersson, Helle Wessel, Mosti, Mats P, Nordfjaern, Trond
Published in BMC psychiatry (09.03.2023)

by Andersson, Helle Wessel, Lilleeng, Solfrid E, Ruud, Torleif, Ose, Solveig Osborg
Published in BMC psychiatry (04.01.2022)

by Andersson, Helle Wessel, Nordfjærn, Trond
Published in Addictive behaviors reports (01.12.2020)

by Andersson, Helle Wessel, Steinsbekk, Aslak, Walderhaug, Espen, Otterholt, Eli, Nordfjærn, Trond
Published in Substance abuse : research and treatment (2018)

by Andersson, Helle Wessel, Lilleeng, Solfrid E., Ose, Solveig Osborg
Published in Addictive behaviors reports (01.06.2021)

by Andersson, Helle Wessel, Otterholt, Eli, Gråwe, Rolf W
Published in Nordisk alkohol- & narkotikatidskrift : NAT (01.10.2017)

by Haberstroh, Carolin, Weider, Siri, Flemmen, Grete, Loe, Henrik, Andersson, Helle Wessel, Hallgren, Mats, Mosti, Mats Peder
Published in Frontiers in sports and active living (2022)

by Bjørngaard, Johan Håkon, Wessel Andersson, Helle, Osborg Ose, Solveig, Hanssen-Bauer, Ketil
Published in Social Psychiatry and Psychiatric Epidemiology (01.08.2008)

by Andersson, Helle Wessel, Wenaas, Merethe, Nordfjærn, Trond
Published in Addictive behaviors (01.03.2019)

by Andersson, Helle Wessel, Mosti, Mats P., Nordfjærn, Trond
Published in Psychiatry research (01.11.2022)

by Andersson, Helle Wessel, Nordfjærn, Trond, Mosti, Mats P
Published in Nordic journal of psychiatry (02.05.2024)

by Andersson, Helle Wessel, Lilleeng, Solfrid E., Ruud, Torleif, Ose, Solveig Osborg
Published in Nordic journal of psychiatry (01.04.2021)

by Andersson, Helle Wessel, Lilleeng, Solfrid, Ruud, Torleif, Ose, Solveig Osborg
Published in Nordic journal of psychiatry (2020)

by Andersson, Helle Wessel, Lauvsnes, Anders D. Forsmo, Nordfjærn, Trond
Published in European addiction research (01.05.2021)

by Wenaas, Merethe, Andersson, Helle Wessel, Kiik, Riina, Juberg, Anne
Published in Nordisk alkohol- & narkotikatidskrift : NAT (01.04.2021)

by Andersson, Helle Wessel, Bjørngaard, Johan Håkon, Kaspersen, Silje Lill, Wang, Catharina E. A., Skre, Ingunn, Dahl, Thomas
Published in Social Psychiatry and Psychiatric Epidemiology (01.05.2010)

by Andersson, Helle Wessel
Published in Child care in practice : Northern Ireland journal of multi-disciplinary child care practice (01.01.2004)

by Andersson, Helle Wessel, Ose, Solveig Osborg
Published in Child and adolescent mental health (01.09.2007)

by Andersson, Helle Wessel
Published in Child care in practice : Northern Ireland journal of multi-disciplinary child care practice (01.10.2002)