Warttig SL, Forshaw MJ, South J, White AK. New, normative, English-sample data for the Short Form Perceived Stress Scale (PSS-4). J Health Psychol. 2013 Dec;18(12):1617-28. doi: 10.1177/1359105313508346
Brown TM, Holland J, Bokowy KL, Horblyuk R. Can transformational programs aimed at improving hospital management, leadership, and productivity systems affect financial performance? J Hospital Admin. 2013 Jul 30;2(4):111-9.