Journal of Pain and Symptom Management
Journal of Pain and Symptom Management > 2008 > 35 > 6 > 632-643
Journal of Pain and Symptom Management > 2012 > 44 > 2 > 215-228
Journal of Pain and Symptom Management > 2008 > 35 > 6 > 632-643
Journal of Pain and Symptom Management > 2012 > 44 > 2 > 215-228