1. Rheumatoid arthritis: a review of the cutaneous manifestations;J Am Acad Dermatol,2005
2. Isolated intra-articular pseudorheumatoid nodule of the knee;Skeletal Radiol,2011
3. Rheumatoid nodules. Review of the spectrum of associated conditions and proposal of a new classification, with a report of four seronegative cases;Am J Med,1984
4. Cutaneous nodules in patients with rheumatoid arthritis: a case report and review of literatures;Clin Rheumatol,2011
5. Rheumatoid nodule of the foot: MRI appearances mimicking an indeterminate soft tissue mass;Skeletal Radiol,1998