The Norwegian Brief Pain Inventory Questionnaire

Jensen, 1986, The measurement of clinical pain intensity, Pain, 27, 117, 10.1016/0304-3959(86)90228-9

Foley, 1993, Pain assessment and cancer pain syndromes, 148

Aaronson, 1993, The European Organization for Research and Treatment of Cancer QLQ-C30, J Natl Cancer Inst, 85, 365, 10.1093/jnci/85.5.365

Ware, 1992, The MOS 36-item short-form health survey (SF-36) I. Conceptual framework and item selection, Med Care, 30, 473, 10.1097/00005650-199206000-00002

Ger, 1999, Validation of the Brief Pain Inventory in a Taiwanese population, J Pain Symptom Manage, 15, 316, 10.1016/S0885-3924(99)00087-1

Radbruch, 1999, Validation of the German version of the Brief Pain Inventory, J Pain Symptom Manage, 18, 180, 10.1016/S0885-3924(99)00064-0

Uki, 1998, A brief cancer pain assessment tool in Japanese, J Pain Symptom Manage, 16, 364, 10.1016/S0885-3924(98)00098-0

Caraceni, 1996, A validation study of an Italian version of the Brief Pain Inventory, Pain, 65, 87, 10.1016/0304-3959(95)00156-5

Mystakidou, 2001, Greek Pain Inventory, Oncology, 60, 35, 10.1159/000055294

Wang, 1996, The Chinese version of the Brief Pain Inventory (BPI-C), Pain, 67, 407, 10.1016/0304-3959(96)03147-8

Lydick, 1995, Area under the curve, Quality Life Res, 4, 41, 10.1007/BF00434382

Cleeland, 1994, Pain and its treatment in outpatients with metastatic cancer, N Engl J Med, 330, 592, 10.1056/NEJM199403033300902

Caraceni A, Cherny N, Fainsinger R, et al. Pain measurement and tools and methods in clinical research in palliative care: recommendations of an expert working group of The European Association of Palliative Care. J Pain Symptom Manage 23:239–255.

Nunnaly, 1994

Harman, 1967

Altman, 1991

Klepstad, 2000, Effects on cancer patients' health-related quality of life after the start of morphine therapy, J Pain Symptom Manage, 20, 19, 10.1016/S0885-3924(00)00167-6

Radbruch, 2000, Cognitive impairment and its influence on pain and symptom assessment in a palliative care unit, Palliat Med, 14, 266, 10.1191/026921600672986600

Jordhøy, 1999, Challenges in palliative care research; recruitment, attrition and compliance, Palliat Med, 13, 299, 10.1191/026921699668963873

Fayers, 1995

Jensen Hjermstad, 1998, Health-related quality of life in the general Norwegian population assessed by The European Organization for Research and treatment of cancer core Quality-of-Life Questionnaire, J Clin Oncol, 16, 1188, 10.1200/JCO.1998.16.3.1188

Hjermstad, 1998, Reference data from quality of life questionnaires and the importance of adjusting for age and gender, exemplified by the EORTC QLQ-C30 (+3), Eur J Cancer, 34, 1382, 10.1016/S0959-8049(98)00136-1