Journal of Pain and Symptom Management
Journal of Pain and Symptom Management > 2007 > 33 > 6 > 745-755
Journal of Pain and Symptom Management > 2007 > 34 > 3 > 237-243
Journal of Pain and Symptom Management > 2007 > 33 > 6 > 745-755
Journal of Pain and Symptom Management > 2007 > 34 > 3 > 237-243