World Health Organization National cancer control programmes, policies and managerial guidelines, second edition. Geneva: World Health Organization, 2002: 83–91.
2.
National Hospice Council and Specialist Palliative Care Services. Briefing no. 11. September 2002: 1–4.
3.
Cairns W. The problems of definitions. Prog Palliat Care2001; 9: 187–189.
