1. Hales S, Zimmermann C, Rodin G. Review: the quality of dying and death: a systematic review of measures. Palliat Med. 2010;24:127–44.
2. National Center for Health S. Health, United States. In Health, United States, 2010: With Special Feature on Death and Dying. Hyattsville (MD): National Center for Health Statistics (US); 2011.
3. Gao W, Ho YK, Verne J, Gordon E, Higginson IJ: Health Services and Delivery Research. In Geographical and temporal Understanding In place of Death in England (1984-2010): analysis of trends and associated factors to improve end-of-life Care (GUIDE_Care) - primary research. Southampton (UK): NIHR Journals Library.
4. Casarett DJ, Teno J, Higginson I. How should nations measure the quality of end-of-life care for older adults? Recommendations for an international minimum data set. J Am Geriatr Soc. 2006;54:1765–71.
5. Cohen J, Bilsen J, Miccinesi G, Lofmark R, Addington-Hall J, Kaasa S, Norup M, van der Wal G, Deliens L. Using death certificate data to study place of death in 9 European countries: opportunities and weaknesses. BMC Public Health. 2007;7:283.