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Testosterone
Phosphodiesterase Inhibitors
Sulfones
Purines
Androgens
Piperazines
Chorionic Gonadotropin
Follicle Stimulating Hormone
Nordihydroguaiaretic Acid
3',5'-Cyclic-GMP Phosphodiesterases
Lipoxygenase Inhibitors
Male Infertility
Erectile Dysfunction
Leydig Cells
Body Composition
Randomized Controlled Trials
Sprague Dawley Rats
Rats
Hormone Replacement Therapy
Electroretinography
Co-Publications
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