1. American Urological Association Press Release. American Urological Association panel release treatment guidelines for impotence. 1996. November 4.
2. Benassi-Benelli, A., Ferrari, F. and Pellegrine-Quarantotti, B., Penile erection induced by apomorphine and N-n-propylapomorphine in rats.Arch. Int. Pharmacodyn. Ther., 2423, 241–242 (1979).
3. Boolell, M., Pearson, J., Gingell, J. C., Gepi-Attee, S., Wareham, K. and Price, D., Sildenafil (Viagra) is an effecacious oral therapy in diabetic patients with erectile dysfunction.Int. J. Impot. Res., 8, 186–191 (1996).
4. Bush, P. A., Aronson, W. J., Rajfer, J. and Ignarro, L. J., The L-argininenitric oxide-cyclic GMP pathway mediates inhibitory non-adrenergic non-cholinergic neurotransmission in the corpus cavernosum of human and rabbit.Circulation, 87 (Suppl. 5), V30-V32 (1993).
5. Butcher, R. W. and Sutherland, E. W., Adenosine 3′,5′-monophosphate in biological materials. II. The measurement of adenosine 3′,5′-monophosphate in tissues and the role of the cyclic nucleotide in the lipolytic response of fat to epinephrine.J. Biol. Chem., 237, 1244–1250 (1962).