Selected Reading
- Morley JE: Impotence. Am J Med 80:897. 1986
- Morley JE et al: Sexual dysfunction in the elderly male. J Am Geriatr Soc 35:1014, 1987
- Gregory JG, Purcell MH: Penile prostheses: Review of current models, mechanical reliability and product cost. Urology 29:150. 1987
- Vermeulen A, Rubens R, Verdonik L: Testosterone secretion and metabolism in male senescence. J Clin Endocrinol Metab 34:730. 1972