Journal of Pain and Symptom Management
Journal of Pain and Symptom Management > 1999 > 18 > 4 > 253-262
Journal of Pain and Symptom Management > 2006 > 31 > 1 > 58-69
Journal of Pain and Symptom Management > 1999 > 18 > 4 > 253-262
Journal of Pain and Symptom Management > 2006 > 31 > 1 > 58-69