scientific article published on 12 August 2013
author: Jonas Bacelis, Helle Margrete Meltzer, Margaretha Haugen, Staffan Nilsson, Per Magnus, Stein Emil Vollset, Roy Miodini Nilsen, Verena Sengpiel, Ronny Myhre, Solveig Myking, Anne Lise Brantsæter, Bo Jacobsson
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