Lara D. Veeken · 2010 · 45 citations · 21 references
Treatment of people with PsA resulted in considerable financial costs and these costs varied markedly by disease severity.
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Measurement of patient outcome in arthritis
James F. Fries, Patricia W. Spitz, R. Guy Kraines et al. · Arthritis & Rheumatism · 1980 · 4.3K citations
Psoriatic Arthritis (PSA) - An Analysis of 220 Patients
Dafna D. Gladman, Rhonda Shuckett, Michelle Russell et al. · QJM · 1987 · 637 citations