1. Gonococcal arthritis;Cooke;J.A.M.A,1971
2. V. D. Fact Shect,1972
3. The National Venereal Disease Problem: Epidemic, Venereal Disease;Millar,1972
4. Stopping the Spread of Gonorrhea;Rudolph;Hosp. Med,1972
5. The Principles and Practice of Medicine;Davidson,1972