Journal of Pain and Symptom Management
Journal of Pain and Symptom Management > 2001 > 22 > 2 > 688-698
Journal of Pain and Symptom Management > 2001 > 22 > 3 > 797-801
Journal of Pain and Symptom Management > 2001 > 22 > 2 > 688-698
Journal of Pain and Symptom Management > 2001 > 22 > 3 > 797-801