title: Doxycycline in non-specific urethritis.
mesh_terms: D000328:Adult; D004318:Doxycycline / Q000627:therapeutic use*; D004341:Drug Evaluation; D006801:Humans; D008875:Middle Aged; D011897:Random Allocation; D014526:Urethritis / Q000188:drug therapy*
chemical_list: D004318:Doxycycline