- Sex hormone-binding globulin and insulin-like growth factor-binding protein-1 as indicators of metabolic syndrome, cardiovascular risk, and mortality in elderly men. Kalme, T., Seppälä, M., Qiao, Q., Koistinen, R., Nissinen, A., Harrela, M., Loukovaara, M., Leinonen, P., Tuomilehto, J. J. Clin. Endocrinol. Metab. (2005)