Reiter's syndrome.
D000367:Age Factors; D016918:Arthritis, Reactive / Q000175:diagnosis / Q000188:drug therapy / Q000453:epidemiology / Q000209:etiology / Q000235:genetics; D005260:Female; D005759:Gastroenteritis / Q000150:complications; D006801:Humans; D008297:Male; D012737:Sex Factors; D006113:United Kingdom; D014481:United States; D014526:Urethritis / Q000150:complications