[1] Double-blind comparison of trovafloxacin and doxycycline in the treatment of uncomplicated Chlamydial urethritis and cervicitis. Trovafloxacin Chlamydial Urethritis/Cervicitis Study Group

[2] Azithromycin in non-gonococcal urethritis

[3] An open label comparative study of azithromycin and doxycycline in the treatment of non-gonococcal urethritis in males and Chlamydia trachomatis cervicitis in female sex workers in an STD clinic in Singapore

[4] A comparative study of two different regimens of sparfloxacin versus doxycycline in the treatment of non-gonococcal urethritis in men

[5] Chlamydial cervicitis and urethritis: single dose treatment compared with doxycycline for seven days in community based practises