1. Failure of 500 mg ciprofloxacine therapy in male urethral gonorrhoea;Tapsall;Med J Aust,1992
2. Sexually transmitted diseases treatment guidelines;Centres for Disease Control and Prevention;MMWR Morb Mortal Wkly Rep,1993
3. Fluoroquinolone resistance in Neisseria gonorrhoeae Colorado and Washington, 1995;Centres for Disease Control and Prevention;MMWR Morb Mortal Wkly Rep,1995
4. Programme for Sexually Transmitted Diseases: global programme on AIDS—recommendations for the management of STDs;WHO,1994
5. Antibiotic-selective environments;Baquero;Clin Infect Dis,1998