“The reliability and validity of the Survey of Activities and Fear of Falling in the Elderly for assessing fear and activity avoidance among stroke survivors,” by Tai-Wa Liu and Shamay S. M. Ng (PLoS ONE 14(4): e0214796. doi.org/10.1371/journal.pone.0214796, XML, HTML, and .pdf format, 11p.).
journals.plos.org/plosone/article?id=10.1371/journal.pone.0214796