Insulin regulates testosterone and sex-hormone-binding globulin concentrations in adult normal-weight and obese men. - Pasquali,R.; Casimirri,F.; De Iasio,R.; Mesini,P.; Boschi,S.; Chierici,R.; Flamia,R.; Biscotti,M.; Vicennati,V. (J Clin Endocrinol Metab, 1995)