Journal of Pain and Symptom Management
Journal of Pain and Symptom Management > 2007 > 33 > 5 > 509-513
Journal of Pain and Symptom Management > 2007 > 33 > 5 > 615-622
Journal of Pain and Symptom Management > 2007 > 33 > 5 > 509-513
Journal of Pain and Symptom Management > 2007 > 33 > 5 > 615-622