1. Smoking and Health: A Report of the Surgeon General;U.S. Department of Health, Education and Welfare, Office of Smoking and Health,1979
2. The effects of smoking and smoking cessation on peripheral circulation and fibrinolysis: a population study in 59-year-old men;Janzon;Acta Chim Scand,1974
3. Diagnostic evaluation, classification and treatment of men with sexual dysfunction;Montague;Urology,1979
4. Impotence through the ages;Herman;J Am Soc Psychosom Dent Med,1969
5. Evaluating medical treatment of impotence;Elist;Urology,1984