1 Lynn J Dy SM Shugarman LR Wilkinson A Mularski RA . Evidence for improving palliative care at the end of life: a systematic review. Ann Intern Med2008; 148: 142–159.
2.
2 Qaseem A Snow V Shekelle P Casey DE Cross JT Owens DK . Evidence-based interventions to improve the palliative care of pain, dyspnea, and depression at the end of life: a clinical practice guideline from the American College of Physicians. Ann Intern Med2008; 148: 141–146.
3.
3 Tolle SW Tilden VP Rosenfeld AG Hickman SE . Family reports of barriers to optimal care of the dying. Nurs Res2000; 49: 310–317.
4.
4 Cohen J Bilsen J Addington-Hall J Lofmark R Miccinesi G Kaasa S . Population-based study of dying in hospital in six European countries. Palliative Medicine; 22: 702–710.
5.
5 Cohen J Bilsen J Miccinesi G Löfmark R Addington-Hall J Kaasa S . Using death certificate data to study place of death in 9 European countries: opportunities and weaknesses. BMC Public Health2007; 7: 283.
6.
6 Earle CC Neville BA Landrum MB Ayanian JZ Block SD Weeks JC . Trends in the aggressiveness of cancer care near the end of life. J Clin Oncol2004; 22: 315–321.
