1. Agar, M.H. (1980) The Professional Stranger: An Informal Introduction to Ethnography, Academic Press, New York.
2. Cohen, M.Z., Knafl, K. and Dzurec, L.C. (1993) Grant writing for qualitative research. Image: Journal of Nursing Scholarship, 25, 151–6.
3. Estroff, S.E. and Churchill, L.R. (1984) Comment I (ethical dilemmas). Anthropology Newsletter, 25(7), 15.
4. Glaser, B.G. (1978) Theoretical Sensitivity, The Sociology Press, Mill Valley, CA.
5. Van Gennep, A. (1967/92) The research topic: or, folklore without end, in Qualitative Health Research, (ed. J.M. Morse), Sage, Newbury Park, CA, pp. 65–8.