The collaborative transplant study registry
Tài liệu tham khảo
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Opelz, 2005, Long-term prospective study of steroid withdrawal in kidney and heart transplant recipients, Am J Transplant, 5, 720, 10.1111/j.1600-6143.2004.00765.x
www.ctstransplant.org, last accessed December 20, 2012.