D. J. de B. Machado, F. J. de Paula, E. Sabbaga, and L. E. Ianhez, “ Hyperhomocyst(e)inemia in chronic stable renal transplant patients ”, Rev. Hosp. Clín., vol. 55, no. 5, pp. 161–168, Oct. 2000, doi: 10.1590/S0041-87812000000500002.