Journal of Pain and Symptom Management
Journal of Pain and Symptom Management > 2009 > 37 > 6 > 973-981
Journal of Pain and Symptom Management > 2009 > 38 > 6 > 950-956
Journal of Pain and Symptom Management > 2009 > 37 > 6 > 973-981
Journal of Pain and Symptom Management > 2009 > 38 > 6 > 950-956