Journal of Pain and Symptom Management
Journal of Pain and Symptom Management > 2012 > 43 > 5 > 874-884
Journal of Pain and Symptom Management > 2012 > 43 > 5 > 833-841
Journal of Pain and Symptom Management > 2012 > 43 > 6 > 1072-1081
Journal of Pain and Symptom Management > 2012 > 44 > 3 > 340-350
Journal of Pain and Symptom Management > 2012 > 44 > 3 > 321-330