Journal of Pain and Symptom Management
Journal of Pain and Symptom Management > 2000 > 20 > 6 > 449-458
Journal of Pain and Symptom Management > 2002 > 23 > 2 > 121-130
Journal of Pain and Symptom Management > 2004 > 27 > 4 > 360-369
Journal of Pain and Symptom Management > 2006 > 31 > 4 Supplement > S13-S19
Journal of Pain and Symptom Management > 2011 > 41 > 5 > 915-939
Journal of Pain and Symptom Management > 2016 > 51 > 6 > 1070-1090.e9