Here are a few titles you could try Googling, I got them for free one way or another over the 'net. If your Doc won't prescribe them, and he probably won't, again Google is your friend.
Low-Dose Human Chorionic Gonadotropin Maintains Intratesticular Testosterone in Normal Men with Testosterone-Induced Gonadotropin Suppression
A Double-Blind, Placebo-Controlled, Randomized Clinical Trial of Recombinant Human Chorionic Gonadotropin on Muscle Strength and Physical Function and Activity in Older Men with Partial Age-Related Androgen Deficiency
Effects of Aromatase Inhibition in Elderly Men with Low or Borderline-Low Serum Testosterone Levels
Effects of eight weeks of an alleged aromatase inhibiting nutritional supplement 6-OXO (androst-4-ene-3,6,17-trione) on serum hormone profiles and clinical safety markers in resistance-trained, eugonadal males.
Pharmacokinetics and Dose Finding of a Potent Aromatase Inhibitor, Aromasin (Exemestane), in Young Males
Grape Seed Extract Is an Aromatase Inhibitor and a Suppressor of Aromatase Expression
AROMATASE INHIBITOR THERAPY FOR ERECTILE DYSFUNCTION