Journal of Pain and Symptom Management
Journal of Pain and Symptom Management > 1996 > 11 > 3 > 139-146
Journal of Pain and Symptom Management > 1998 > 15 > 3 > 168-175
Journal of Pain and Symptom Management > 2001 > 21 > 2 > 144-150
Journal of Pain and Symptom Management > 2001 > 22 > 1 > 575-583
Journal of Pain and Symptom Management > 2002 > 23 > 5 > 369-382