Biblio

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2006
Cole JC, Khanna D, Clements PJ, Seibold JR, Tashkin DP, Paulus HE, Irwin MR, Motivala SJ, Furst DE.  2006.  Single-factor scoring validation for the Health Assessment Questionnaire-Disability Index (HAQ-DI) in patients with systemic sclerosis and comparison with early rheumatoid arthritis patients.. Qual Life Res. 15(8):1383-94.