3Mcpherson C J, Wilson KG. Feeling like a burden:Exploring the perspectives of patients at the end of life [ J ]. Social Sci- ence &Medicine ,2007,64 ( 2 ) :417 - 427.
4Simmon LA. Self - Perceived Burden in cancer patients Val- idation of the self - perceived burden scale [J]. Cancer Nursing, 2007,30 ( 5 ) :405 - 411.
7Cousineau N, Mcdowell I. Measuring chronic patients" feel- ing of being a burden to their caregivers : Development and preliminary validation of a scale [ J ]. Med Care, 2003,41 : 110 - 118.
8Wilson KG, Chochinov HM. Desire for euthanasia or physi- cian - assisted suicide in palliative cancer care [ J ]. Health Psychol,2007,26 ( 3 ) : 314 - 323.
9Mcpherson CJ,Wilson KG. Feeling like a burden to others: a systematic review focusing on the end of life[ J]. Palliative Medicine ,2007,21 (10) : 115 - 128.
3Cousineau N,Mc Dowell I,Hotz S,et al.Measuring chronic patients'feelings of being a burden lo their caregivers:(development and preliminary validation of a scale[J].Med Care,2003,41(1):110-118.
4Mc Pherson C J,Wilson K G,Lobchuk M M,et al.Selfperceived burden to others:patient and family caregiver correlates[J].J Palliat Care,2012,23(3):135-142.