1Janice M. Qualitative research methods for health professionals [M]. USA : SAGE Publications, 1995 : 24.
2Patto MQ. Variety in qualitative inquiry: Theoretical orientations [M]//Michael QP. Qualitative research and evaluation methods. 3rd ed. California : Thousand Oaks, 2002 : 752142.
3Minichiello V, Aroni R, Timewell E, et al. In depth interviewing[M]. Melbourne: Longman, 1995 : 138 - 152.
4Colaizzi P. Psychological research as the phenomenologists view it [M]//Vaile R, King M. Existential -phenomenological alternatives for psychology. New York: Oxford University Press, 1978.. 48271.
5Beck CT. Qualitative research:The evaluation of its credibility, fittingness and auditability[J]. Western Journal of Nursing Research, 1993,15(1) :263 - 266.
6Mishel MH. Uncertainty in illness[J]. Journal of Nursing Scholarship, 1998,20(4) :225 -232.
7Ganz PA. Quality of life across the continuum of breast cancer care [J]. Breast J,2000,6(5) :324 - 330.
