Exford, T. J., M. Saghiv, E. Goldhammer, D. Ben-Sira, and M. Sagiv. “Effect of Aerobic Exercise Training on Circulating S-Klotho in a Heart Transplant Recipient; A Case Report”. British Journal of Healthcare and Medical Research, vol. 10, no. 1, Jan. 2023, pp. 33-39., doi:10.14738/bjhmr.101.13794.