1. Pharmacology of penile erection;Andersson;Pharmacol. Rev.,2001
2. New insights into erectile dysfunction: A practical approach;Korenman;Am. J. Med.,1998
3. Andropause: A misnomer for a true clinical entity;Morales;J. Urol.,2000
4. Impotence;Morley;Am. J. Med.,1986
5. Androgens and aging;Morley;Maturitas,2001