机译:Why do multi-attribute utility instruments produce different utilities: the relative importance of the descriptive systems, scale and 'micro-utility' effects
机译:Testing item response theory invariance of the standardized Quality-of-life Disease Impact Scale (QDIS(A (R))) in acute coronary syndrome patients: differential functioning of items and test
机译:The correlation of the "Walking Estimated-Limitation Calculated by History" (WELCH) questionnaire with treadmill maximal walking time is not impaired by age, in patients with claudication