Kist-van Holthe JE, Gasser M, Womer K, Najafian N, Dong V, Samsonov DV, Geehan CS, Chandraker A, Sayegh MH, Waaga AM. Regulatory functions of alloreactive Th2 clones in human renal transplant recipients. Kidney Int. 2002 Aug; 62(2):627-31.