Naderi, Gholam Hossein, et al. “Tacrolimus Rescue Therapy for Corticosteroid-Resistant and Polyclonal Antibody-Resistant Kidney Allograft Rejections”. Urology Journal, vol. 6, no. 1, Feb. 2009, pp. 31-34, doi:10.22037/uj.v6i1.85.