A. Khamkon, K. Pongthavornkamol, T. Chai-Aroon, K. Olson, A. Ratanawichitrasin, and N. Watthayu, “A Causal Model of Breast Cancer Preventive Behaviors among Female Relatives of Thais with Breast Cancer”, PRIJNR, vol. 18, no. 1, pp. 16–28, Jan. 2014.