TY - JOUR KW - Adult KW - Aged KW - Alcohol Drinking/epidemiology/psychology KW - Analgesics, Opioid/administration & dosage/therapeutic use KW - Chronic Pain/drug therapy/psychology KW - Denmark KW - Factor Analysis, Statistical KW - Female KW - Humans KW - Language KW - Male KW - Mental Health KW - Middle Aged KW - Neoplasms/complications KW - Opioid-Related Disorders/diagnosis/psychology KW - Pain Clinics KW - Reproducibility of Results KW - Risk Assessment KW - Risk Factors KW - Smoking/psychology KW - Social Class KW - Socioeconomic Factors KW - Surveys and Questionnaires AU - J. Hojsted AU - P. R. Nielsen AU - S. Kendall AU - L. Frich AU - P. Sjogren A1 - BT - Acta Anaesthesiologica Scandinavica C5 - Opioids & Substance Use; Measures CP - 10 CY - England DO - 10.1111/j.1399-6576.2011.02523.x IS - 10 JF - Acta Anaesthesiologica Scandinavica PB - The Acta Anaesthesiologica Scandinavica Foundation PP - England PY - 2011 SN - 1399-6576; 0001-5172 SP - 1231 EP - 1238 EP - T1 - Validation and usefulness of the Danish version of the Pain Medication Questionnaire in opioid-treated chronic pain patients T2 - Acta Anaesthesiologica Scandinavica TI - Validation and usefulness of the Danish version of the Pain Medication Questionnaire in opioid-treated chronic pain patients U1 - Opioids & Substance Use; Measures U2 - 22092128 U3 - 10.1111/j.1399-6576.2011.02523.x VL - 55 VO - 1399-6576; 0001-5172 Y1 - 2011 ER -