Adaptation of the Psoriatic Arthritis Quality of Life (PsAQol) instrument for Sweden: comments on the article by Billing et al.
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Madsen
D000203:Activities of Daily Living; D015535:Arthritis, Psoriatic / Q000503:physiopathology / Q000523:psychology*; D003431:Cross-Cultural Comparison; D003627:Data Interpretation, Statistical; D006801:Humans; D011788:Quality of Life / Q000523:psychology*; D015203:Reproducibility of Results; D012720:Severity of Illness Index; D018434:Sickness Impact Profile; D013223:Statistics as Topic; D013548:Sweden