Roukis TS, Samsell B. A new approach to ankle and foot arthrodesis procedures using a living cellular bone matrix: a case series. Clin Res Foot Ankle. 2018 Sep 21;6(3):274. doi: 10.4172/2329-910X.1000274
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