1. Normotensive renal failure in systemic sclerosis;Helfrich;Arthritis Rheum,1989
2. Scleroderma renal crisis: patient characteristics and long-term outcomes;Penn;QJM,2007
3. Predictors and risk factors for recurrent scleroderma renal crisis in the kidney allograft: case report and review of the literature;Pham;J Transplant,2005
4. Renal manifestations of systemic sclerosis—clinical features and outcome assessment;Denton;Rheumatology,2008
5. Thrombotic microangiopathy: new insights;Benz;Curr Opin Nephrol Hypertens,2010