Titelman D, Oskarsson H, Wahlbeck K, Nordentoft M, Mehlum L, Jiang G-X, Erlangsen A, Nrugham L, Wasserman D. (2013) Suicide mortality trends in the Nordic countries 1980-2009. Nordic Journal of Psychiatry 67; 414-23. DOI: 10.3109/08039488.2012.752036