Sund, E. R., Jørgensen, S. H., Jones, A., Krokstad, S. and Heggdal, M. (2009) “The influence of social capital on self-rated health and depression – The Nord-Trøndelag health study (HUNT)”, Norsk Epidemiologi, 17(1). doi: 10.5324/nje.v17i1.173.