TY - RPRT TI - The Extended Staff Observation Aggression Scale (SOAS-E): development, presentation and evaluation. AU - A Hallsteinsen AU - M Kristensen AU - A A Dahl AU - D E Eilertsen PY - 1998 DO - 10.1111/j.1600-0447.1998.tb10026.x UR - https://pubmed.ncbi.nlm.nih.gov/9669514/ ID - 9669514 ER -