1. Andersen BM (1978)A basic nurse-education curriculum evaluation project incorporating an investigation into the cognitive aspects of clinical judgment. Sydney, NSW College of Nursing.
2. Morse J (1991)Qualitative nursing research: A contemporary dialogue. Newbury Park CA: SAGE Publications.
3. Morse J and Field P (1995)Qualitative research methods for health professionals. London: SAGE Publications.
4. NSW Department of Health (2004)Using advance care directives. Sydney, NSW Depart. of Health.
5. Stake RE (2005) Qualitative case studies. In NK Denzin andYS Lincoln (eds)The Sage handbook of qualitative research. London, SAGE Publications.