2Cousineau N, McDowell I. Measuring chronic patients' feelings of being a burden to their caregivers: Development and preliminary validation of a scale[J]. Med Care,2003,41(1) :110 - 118.
3Mcpherson CJ, Wilson KG. Feeling like a burden: Exploring the perspectives of patients at the end of life[J]. Soc Sci Med, 2007,64 (2) :417 - 427.
4Giorgi A. The theory, practice, and evaluation of the phenomenological method as a qualitative research proeedure[J]. J Phenomenol Psychoi, 1997,28(2) :235 - 260.
5Mephemon CJ, Wilson KG, Lobchuk MM, et al. Self - perceived burden to others:Patient and family caregiver correlates[J]. J Palliat Care,2007,23(3) :135 - 142.
7Christine J, Mcpherson CJ, Keith GW. Family caregivers assessment of symptoms in patients with advanced cancer: Concordance with patients and factors affecting accuracy[J]. Journal of Pain and Symptom Management,2008,35(1) :70 - 82.
