University of Iowa Hospitais e Clínicas: Problemas de pele com artrite relacionada à Diseases
https://www.uihealthcare.com/topics/medicaldepartments/dermatology/arthritisskin/index.html
EMedicineHealth: Artrite Reumatóide
The Journal of Rheumatology: cancro de pele, artrite reumatóide, e Fator de Necrose Tumoral Inibidores
American College of Rheumatology
Instituto Nacional de Artrite e Muskoskeletal e Pele doenças: Artrite Reumatóide
Mayo Clinic: Artrite Reumatóide
Arthritis Foundation
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