1. Impotence and its medical and psychosocial correlates: results of the Massachusetts male aging study;Feldman;J Urol,1994
2. Sexual dysfunction in men with Parkinson's disease;Singer;J Neurol Rehab,1989
3. Genitourinary dysfunction in multisystem atrophy: clinical features and treatment in 62 cases;Beck;J Urol,1994
4. Clinical features and natural history of multisystem atrophy;Wenning;Brain,1994
5. Impotence following radical prostatectomy: insight into etiology and prevention;Walsh;J Urol,1982