Oliveira, C. M. C., P. S. Timbó, S. R. Pinheiro, J. G. S. Leite, L. S. Timbó, and R. M. Esmeraldo. “Post-Transplant Anemia and Associated Risk Factors: The Impact of Steroid-Free Therapy”. São Paulo Medical Journal, vol. 131, no. 6, Nov. 2013, pp. 369-76, https://periodicosapm.emnuvens.com.br/spmj/article/view/1364.