Testosterone Therapy in Adult Men with Androgen Deficiency Syndromes: An Endocrine Society Clinical Practice Guideline http://www.endo-society.org/guidelin...Standalone.pdf
Pulsatile GnRH or human chorionic gonadotropin/human menopausal gonadotropin as effective treatment for men with hypogonadotropic hypogonadism: a review of 42 cases studies used 1000-2500 IU of HCG twice a week, Monday and Friday http://eje-online.org/content/139/3/298.long