Hibino, Seikei; Hori, Shingo (2010). “Emergency Medicine in the US and the US model Emergency Medicine in Japan”. Nihon Kyukyu Igakukai Zasshi21 (12): 925–934. doi:10.3893/jjaam.21.925. ISSN1883-3772.
Kelley, Amy S.; McGarry, Kathleen; Fahle, Sean; Marshall, Samuel M.; Du, Qingling; Skinner, Jonathan S. (2012). “Out-of-Pocket Spending in the Last Five Years of Life”. Journal of General Internal Medicine28 (2): 304–309. doi:10.1007/s11606-012-2199-x. ISSN0884-8734.
Hibino, Seikei; Hori, Shingo (2010). “Emergency Medicine in the US and the US model Emergency Medicine in Japan”. Nihon Kyukyu Igakukai Zasshi21 (12): 925–934. doi:10.3893/jjaam.21.925. ISSN1883-3772.
Kelley, Amy S.; McGarry, Kathleen; Fahle, Sean; Marshall, Samuel M.; Du, Qingling; Skinner, Jonathan S. (2012). “Out-of-Pocket Spending in the Last Five Years of Life”. Journal of General Internal Medicine28 (2): 304–309. doi:10.1007/s11606-012-2199-x. ISSN0884-8734.