http://www.helse-finnmark.no/getfile.php/FIN%20Helse-Finnmark%20INTERNETT/Klinikker/Klinikk%20psykisk%20helsevern%20og%20rus/DPS%20Vest/Stab%20group%20approach%20for%20heterogeneous%20pop%20%20of%20trauma%20JAMT%20des%202011.pdf