Patient questionnaires for all rheumatic diseases
The promise of PROMIS using item response theory to improve assessment of patient-reported outcomes
J.F. Fries, B. Bruce, D. Cella
CER2620
2005 Vol.23, N°5 ,Suppl.39
PI 0053, PF 0057
Patient questionnaires for all rheumatic diseases
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PMID: 16273785 [PubMed]