1. World Health Organization World Health Organization 1995
2. High-level ciprofloxacin resistance in Neisseria gonorrhoeae;Birley;Genitourin. Med.,1994
3. Decreased susceptibility of Neisseria gonorrhoeae to fluoroquinolones-Ohio and Hawaii, 1992-1994;Centers for Disease Control and Prevention;Morb. Mortal.,1994
4. Decreased susceptibility of Neisseria gonorrhoeae to ciprofloxacin;Grasden;Lancet,1990
5. Ciprofloxacin resistance in gonococci;Jephcott;Lancet,1990