Journal of Pain and Symptom Management
Journal of Pain and Symptom Management > 2007 > 33 > 1 > 40-57
Journal of Pain and Symptom Management > 2007 > 33 > 3 > 317-323
Journal of Pain and Symptom Management > 2007 > 33 > 6 > 711-719
Journal of Pain and Symptom Management > 2007 > 34 > 1 Supplement > S7-S19