RT Article T1 Factor structure and validity of the K6 scale for adults with suicidal ideation JF Journal of the Society for Social Work and Research VO 7 IS 1 SP 43 OP 63 A1 Ko, Jungyai A1 Harrington, Donna A2 Harrington, Donna LA English YR 2016 UL https://krimdok.uni-tuebingen.de/Record/1912554526 DO 10.1086/685033