R. Volpi, M. C. Ugolotti, A. Carbucicchio, and R. Delsignore, “Idiopathic hypogonadotropic hypogonadism in selective humangonadotropin deficiency in adult man: a case report”, Acta Biomed, vol. 79, no. 3, pp. 251–254, Dec. 2008, Accessed: Oct. 22, 2025. [Online]. Available: https://mail.mattioli1885journals.com/index.php/actabiomedica/article/view/1257