Journal of Pain and Symptom Management
Journal of Pain and Symptom Management > 2011 > 42 > 6 > 822-838
Journal of Pain and Symptom Management > 2011 > 42 > 6 > 954-960
Journal of Pain and Symptom Management > 2011 > 42 > 6 > 822-838
Journal of Pain and Symptom Management > 2011 > 42 > 6 > 954-960